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23928341780 = 22573712736373
BaseRepresentation
bin10110010010001111…
…011000010100010100
32021202121101201002202
4112102033120110110
5343001123414110
614554215224032
71504652356250
oct262217302424
967677351082
1023928341780
11a169a1a382
124779678018
1323444c9b25
14122dd05260
15950a890a5
hex5923d8514

23928341780 has 96 divisors (see below), whose sum is σ = 59446173696. Its totient is φ = 7919202816.

The previous prime is 23928341779. The next prime is 23928341803. The reversal of 23928341780 is 8714382932.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 639674 + ... + 676046.

It is an arithmetic number, because the mean of its divisors is an integer number (619230976).

Almost surely, 223928341780 is an apocalyptic number.

23928341780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23928341780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29723086848).

23928341780 is an abundant number, since it is smaller than the sum of its proper divisors (35517831916).

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

23928341780 is a wasteful number, since it uses less digits than its factorization.

23928341780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36553 (or 36551 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 23928341780 in words is "twenty-three billion, nine hundred twenty-eight million, three hundred forty-one thousand, seven hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 37 70 74 127 140 148 185 254 259 370 508 518 635 740 889 1036 1270 1295 1778 2540 2590 3556 4445 4699 5180 8890 9398 17780 18796 23495 32893 36373 46990 65786 72746 93980 131572 145492 164465 181865 254611 328930 363730 509222 657860 727460 1018444 1273055 1345801 2546110 2691602 4619371 5092220 5383204 6729005 9238742 9420607 13458010 18477484 18841214 23096855 26916020 32335597 37682428 46193710 47103035 64671194 92387420 94206070 129342388 161677985 170916727 188412140 323355970 341833454 646711940 683666908 854583635 1196417089 1709167270 2392834178 3418334540 4785668356 5982085445 11964170890 23928341780