Base | Representation |
---|---|
bin | 1001001000100111000… |
… | …0100110000101001100 |
3 | 120000001201120000202220 |
4 | 2102021300212011030 |
5 | 10032343042241030 |
6 | 200032003215340 |
7 | 14223605221626 |
oct | 2221160460514 |
9 | 500051500686 |
10 | 156930040140 |
11 | 6060aa09955 |
12 | 264b7677550 |
13 | 11a4c22bc23 |
14 | 7849cd9c16 |
15 | 41371c9a10 |
hex | 2489c2614c |
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".
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