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2930905920156 = 2231913933922619
BaseRepresentation
bin101010101001100111100…
…110110011001010011100
3101101012011212120100101220
4222221213212303022130
5341004443403421111
610122234541333340
7421515403161054
oct52514746631234
911335155510356
102930905920156
11a2aa98a8a955
123b4042567250
131834c9ca27a6
14a1bdc73c564
155138d92de06
hex2aa679b329c

2930905920156 has 48 divisors (see below), whose sum is σ = 7199240764800. Its totient is φ = 925481806272.

The previous prime is 2930905920143. The next prime is 2930905920157. The reversal of 2930905920156 is 6510295090392.

It is a junction number, because it is equal to n+sod(n) for n = 2930905920099 and 2930905920108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2930905920157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2715415 + ... + 3638033.

It is an arithmetic number, because the mean of its divisors is an integer number (149984182600).

Almost surely, 22930905920156 is an apocalyptic number.

It is an amenable number.

2930905920156 is an abundant number, since it is smaller than the sum of its proper divisors (4268334844644).

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

2930905920156 is a wasteful number, since it uses less digits than its factorization.

2930905920156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936578 (or 936576 counting only the distinct ones).

The product of its (nonzero) digits is 1312200, while the sum is 51.

The spelling of 2930905920156 in words is "two trillion, nine hundred thirty billion, nine hundred five million, nine hundred twenty thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 13933 27866 41799 55732 83598 167196 264727 529454 794181 922619 1058908 1588362 1845238 2767857 3176724 3690476 5535714 11071428 17529761 35059522 52589283 70119044 105178566 210357132 12854850527 25709701054 38564551581 51419402108 77129103162 154258206324 244242160013 488484320026 732726480039 976968640052 1465452960078 2930905920156