Base | Representation |
---|---|
bin | 1000111000010100100… |
… | …0010100010101100100 |
3 | 112120202222200011202021 |
4 | 2032011020110111210 |
5 | 4444414143434130 |
6 | 154030042352524 |
7 | 14010341360041 |
oct | 2160510242544 |
9 | 476688604667 |
10 | 152557405540 |
11 | 59776750851 |
12 | 256971bb744 |
13 | 1150335a987 |
14 | 75532a61c8 |
15 | 3e7d39937a |
hex | 2385214564 |
152557405540 has 48 divisors (see below), whose sum is σ = 322611130800. Its totient is φ = 60596669952.
The previous prime is 152557405537. The next prime is 152557405543. The reversal of 152557405540 is 45504755251.
It is an interprime number because it is at equal distance from previous prime (152557405537) and next prime (152557405543).
It can be written as a sum of positive squares in 8 ways, for example, as 26236872484 + 126320533056 = 161978^2 + 355416^2 .
It is not an unprimeable number, because it can be changed into a prime (152557405543) 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, 5352046 + ... + 5380474.
It is an arithmetic number, because the mean of its divisors is an integer number (6721065225).
Almost surely, 2152557405540 is an apocalyptic number.
152557405540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
152557405540 is an abundant number, since it is smaller than the sum of its proper divisors (170053725260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
152557405540 is a wasteful number, since it uses less digits than its factorization.
152557405540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30304 (or 30302 counting only the distinct ones).
The product of its (nonzero) digits is 700000, while the sum is 43.
The spelling of 152557405540 in words is "one hundred fifty-two billion, five hundred fifty-seven million, four hundred five thousand, five hundred forty".
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