Base | Representation |
---|---|
bin | 1001001010011010100… |
… | …1111011011000110101 |
3 | 120001022111202222201201 |
4 | 2102212221323120311 |
5 | 10034341144103134 |
6 | 200152042052501 |
7 | 14241612664204 |
oct | 2224651733065 |
9 | 501274688651 |
10 | 157414831669 |
11 | 60839628a07 |
12 | 26611aaa131 |
13 | 11ac87ba814 |
14 | 789445323b |
15 | 4164a3b914 |
hex | 24a6a7b635 |
157414831669 has 4 divisors (see below), whose sum is σ = 157567514400. Its totient is φ = 157262148940.
The previous prime is 157414831663. The next prime is 157414831681. The reversal of 157414831669 is 966138414751.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 966138414751 = 42719 ⋅22616129.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-157414831669 is a prime.
It is a super-2 number, since 2×1574148316692 (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 (157414831663) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76339819 + ... + 76341880.
It is an arithmetic number, because the mean of its divisors is an integer number (39391878600).
Almost surely, 2157414831669 is an apocalyptic number.
It is an amenable number.
157414831669 is a deficient number, since it is larger than the sum of its proper divisors (152682731).
157414831669 is a wasteful number, since it uses less digits than its factorization.
157414831669 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 152682730.
The product of its digits is 4354560, while the sum is 55.
The spelling of 157414831669 in words is "one hundred fifty-seven billion, four hundred fourteen million, eight hundred thirty-one thousand, six hundred sixty-nine".
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