Base | Representation |
---|---|
bin | 1001001010010111100… |
… | …0011010111110111101 |
3 | 120001021121100122120001 |
4 | 2102211320122332331 |
5 | 10034324333311020 |
6 | 200150455554301 |
7 | 14241364453123 |
oct | 2224570327675 |
9 | 501247318501 |
10 | 157401853885 |
11 | 60832274571 |
12 | 2660968b991 |
13 | 11ac5bc5763 |
14 | 7892835913 |
15 | 416382650a |
hex | 24a5e1afbd |
157401853885 has 8 divisors (see below), whose sum is σ = 188885589336. Its totient is φ = 125919240000.
The previous prime is 157401853813. The next prime is 157401853909. The reversal of 157401853885 is 588358104751.
It can be written as a sum of positive squares in 4 ways, for example, as 1340511769 + 156061342116 = 36613^2 + 395046^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 157401853885 - 215 = 157401821117 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67635 + ... + 565135.
It is an arithmetic number, because the mean of its divisors is an integer number (23610698667).
Almost surely, 2157401853885 is an apocalyptic number.
It is an amenable number.
157401853885 is a deficient number, since it is larger than the sum of its proper divisors (31483735451).
157401853885 is an equidigital number, since it uses as much as digits as its factorization.
157401853885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 560783.
The product of its (nonzero) digits is 5376000, while the sum is 55.
The spelling of 157401853885 in words is "one hundred fifty-seven billion, four hundred one million, eight hundred fifty-three thousand, eight hundred eighty-five".
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