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30827954040 = 233513107184687
BaseRepresentation
bin11100101101011111…
…010011111101111000
32221120110020022210120
4130231133103331320
51001113424012130
622055010013240
72140642200012
oct345537237570
987513208716
1030827954040
111208a638174
125b84277220
132ba3a84930
1416c63ad1b2
15c06673910
hex72d7d3f78

30827954040 has 128 divisors (see below), whose sum is σ = 100529372160. Its totient is φ = 7517458944.

The previous prime is 30827954029. The next prime is 30827954051. The reversal of 30827954040 is 4045972803.

It is an interprime number because it is at equal distance from previous prime (30827954029) and next prime (30827954051).

It is a junction number, because it is equal to n+sod(n) for n = 30827953983 and 30827954001.

It is a congruent number.

It is an unprimeable number.

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, 74577 + ... + 259263.

It is an arithmetic number, because the mean of its divisors is an integer number (785385720).

Almost surely, 230827954040 is an apocalyptic number.

30827954040 is a gapful number since it is divisible by the number (30) 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 30827954040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50264686080).

30827954040 is an abundant number, since it is smaller than the sum of its proper divisors (69701418120).

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

30827954040 is a wasteful number, since it uses less digits than its factorization.

30827954040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184821 (or 184817 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 30827954040 in words is "thirty billion, eight hundred twenty-seven million, nine hundred fifty-four thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 107 120 130 156 195 214 260 312 321 390 428 520 535 642 780 856 1070 1284 1391 1560 1605 2140 2568 2782 3210 4173 4280 5564 6420 6955 8346 11128 12840 13910 16692 20865 27820 33384 41730 55640 83460 166920 184687 369374 554061 738748 923435 1108122 1477496 1846870 2216244 2400931 2770305 3693740 4432488 4801862 5540610 7202793 7387480 9603724 11081220 12004655 14405586 19207448 19761509 22162440 24009310 28811172 36013965 39523018 48018620 57622344 59284527 72027930 79046036 96037240 98807545 118569054 144055860 158092072 197615090 237138108 256899617 288111720 296422635 395230180 474276216 513799234 592845270 770698851 790460360 1027598468 1185690540 1284498085 1541397702 2055196936 2371381080 2568996170 3082795404 3853494255 5137992340 6165590808 7706988510 10275984680 15413977020 30827954040