Search a number
-
+
76538349801048 = 23323881859718307
BaseRepresentation
bin10001011001110001111001…
…001001101100111001011000
3101000222222212012021210001010
4101121301321021230321120
540013001020022113143
6430441122115053520
722056466441660662
oct2131617111547130
9330888765253033
1076538349801048
1122429806126123
12870178a5a12a0
1333926c6406225
1414c8693c05532
158cae11280a33
hex459c7926ce58

76538349801048 has 128 divisors (see below), whose sum is σ = 199926066654720. Its totient is φ = 24371665274880.

The previous prime is 76538349801047. The next prime is 76538349801143. The reversal of 76538349801048 is 84010894383567.

It is a self number, because there is not a number n which added to its sum of digits gives 76538349801048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76538349801047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4180815111 + ... + 4180833417.

It is an arithmetic number, because the mean of its divisors is an integer number (1561922395740).

Almost surely, 276538349801048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76538349801048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99963033327360).

76538349801048 is an abundant number, since it is smaller than the sum of its proper divisors (123387716853672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76538349801048 is a wasteful number, since it uses less digits than its factorization.

76538349801048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27817 (or 27813 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 66.

The spelling of 76538349801048 in words is "seventy-six trillion, five hundred thirty-eight billion, three hundred forty-nine million, eight hundred one thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 552 881 1762 2643 3524 5286 7048 8597 10572 17194 18307 20263 21144 25791 34388 36614 40526 51582 54921 60789 68776 73228 81052 103164 109842 121578 146456 162104 197731 206328 219684 243156 395462 421061 439368 486312 593193 790924 842122 1186386 1263183 1581848 1684244 2372772 2526366 3368488 4745544 5052732 7573957 10105464 15147914 16128467 22721871 30295828 32256934 45443742 48385401 60591656 64513868 90887484 96770802 129027736 157385279 174201011 181774968 193541604 314770558 348402022 370954741 387083208 472155837 522603033 629541116 696804044 741909482 944311674 1045206066 1112864223 1259082232 1393608088 1483818964 1888623348 2090412132 2225728446 2967637928 3619861417 3777246696 4180824264 4451456892 7239722834 8902913784 10859584251 14479445668 21719168502 28958891336 43438337004 86876674008 138656430799 277312861598 415969292397 554625723196 831938584794 1109251446392 1663877169588 3189097908377 3327754339176 6378195816754 9567293725131 12756391633508 19134587450262 25512783267016 38269174900524 76538349801048