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156930040140 = 223515831652243
BaseRepresentation
bin1001001000100111000…
…0100110000101001100
3120000001201120000202220
42102021300212011030
510032343042241030
6200032003215340
714223605221626
oct2221160460514
9500051500686
10156930040140
116060aa09955
12264b7677550
1311a4c22bc23
147849cd9c16
1541371c9a10
hex2489c2614c

156930040140 has 48 divisors (see below), whose sum is σ = 439681955328. Its totient is φ = 41821549504.

The previous prime is 156930040133. The next prime is 156930040147. The reversal of 156930040140 is 41040039651.

It is an interprime number because it is at equal distance from previous prime (156930040133) and next prime (156930040147).

It is a super-2 number, since 2×1569300401402 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (156930040147) 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, 731142 + ... + 921101.

It is an arithmetic number, because the mean of its divisors is an integer number (9160040736).

Almost surely, 2156930040140 is an apocalyptic number.

156930040140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156930040140 is an abundant number, since it is smaller than the sum of its proper divisors (282751915188).

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

156930040140 is a wasteful number, since it uses less digits than its factorization.

156930040140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653838 (or 1653836 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

Adding to 156930040140 its reverse (41040039651), we get a palindrome (197970079791).

The spelling of 156930040140 in words is "one hundred fifty-six billion, nine hundred thirty million, forty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1583 3166 4749 6332 7915 9498 15830 18996 23745 31660 47490 94980 1652243 3304486 4956729 6608972 8261215 9913458 16522430 19826916 24783645 33044860 49567290 99134580 2615500669 5231001338 7846502007 10462002676 13077503345 15693004014 26155006690 31386008028 39232510035 52310013380 78465020070 156930040140