Base | Representation |
---|---|
bin | 1000111010011100000… |
… | …0110100001000100001 |
3 | 112122020121022212010011 |
4 | 2032213000310020201 |
5 | 10002100210121334 |
6 | 154202310404521 |
7 | 14030413240201 |
oct | 2164700641041 |
9 | 478217285104 |
10 | 153125863969 |
11 | 59a38616001 |
12 | 25815660741 |
13 | 11594061a00 |
14 | 75a899c401 |
15 | 3eb3236564 |
hex | 23a7034221 |
153125863969 has 27 divisors (see below), whose sum is σ = 171508754547. Its totient is φ = 136646499600.
The previous prime is 153125863951. The next prime is 153125863999. The reversal of 153125863969 is 969368521351.
The square root of 153125863969 is 391313.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 22651755025 + 130474108944 = 150505^2 + 361212^2 .
It is not a de Polignac number, because 153125863969 - 211 = 153125861921 is a prime.
It is a super-2 number, since 2×1531258639692 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (153125863999) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 157698654 + ... + 157699624.
Almost surely, 2153125863969 is an apocalyptic number.
153125863969 is the 391313-rd square number.
153125863969 is the 195657-th centered octagonal number.
It is an amenable number.
153125863969 is a deficient number, since it is larger than the sum of its proper divisors (18382890578).
153125863969 is an frugal number, since it uses more digits than its factorization.
153125863969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2030 (or 1015 counting only the distinct ones).
The product of its digits is 10497600, while the sum is 58.
The spelling of 153125863969 in words is "one hundred fifty-three billion, one hundred twenty-five million, eight hundred sixty-three thousand, nine hundred sixty-nine".
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