Base | Representation |
---|---|
bin | 1001001001010101111… |
… | …0110100010000110111 |
3 | 120000120102121200221012 |
4 | 2102111132310100313 |
5 | 10033243414044411 |
6 | 200103310342435 |
7 | 14231513652305 |
oct | 2222536642067 |
9 | 500512550835 |
10 | 157126706231 |
11 | 60700a25010 |
12 | 265514baa1b |
13 | 11a80bb98b1 |
14 | 7868091275 |
15 | 41495c618b |
hex | 24957b4437 |
157126706231 has 16 divisors (see below), whose sum is σ = 172009405440. Its totient is φ = 142344058080.
The previous prime is 157126706197. The next prime is 157126706251. The reversal of 157126706231 is 132607621751.
157126706231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-157126706231 is a prime.
It is a super-2 number, since 2×1571267062312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157126706251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14217950 + ... + 14228996.
It is an arithmetic number, because the mean of its divisors is an integer number (10750587840).
Almost surely, 2157126706231 is an apocalyptic number.
157126706231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
157126706231 is a deficient number, since it is larger than the sum of its proper divisors (14882699209).
157126706231 is a wasteful number, since it uses less digits than its factorization.
157126706231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15454.
The product of its (nonzero) digits is 105840, while the sum is 41.
The spelling of 157126706231 in words is "one hundred fifty-seven billion, one hundred twenty-six million, seven hundred six thousand, two hundred thirty-one".
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