Base | Representation |
---|---|
bin | 1001001010110000000… |
… | …1110101010110101010 |
3 | 120001112210102020011002 |
4 | 2102230001311112222 |
5 | 10040032234000430 |
6 | 200205022235002 |
7 | 14244056164340 |
oct | 2225401652652 |
9 | 501483366132 |
10 | 157504984490 |
11 | 60885504077 |
12 | 26638125a62 |
13 | 11b11394199 |
14 | 78a23dd990 |
15 | 416c8e8845 |
hex | 24ac0755aa |
157504984490 has 32 divisors (see below), whose sum is σ = 324180434304. Its totient is φ = 53973345600.
The previous prime is 157504984477. The next prime is 157504984523. The reversal of 157504984490 is 94489405751.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456461 + ... + 723440.
It is an arithmetic number, because the mean of its divisors is an integer number (10130638572).
Almost surely, 2157504984490 is an apocalyptic number.
157504984490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
157504984490 is an abundant number, since it is smaller than the sum of its proper divisors (166675449814).
157504984490 is a wasteful number, since it uses less digits than its factorization.
157504984490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1181822.
The product of its (nonzero) digits is 7257600, while the sum is 56.
The spelling of 157504984490 in words is "one hundred fifty-seven billion, five hundred four million, nine hundred eighty-four thousand, four hundred ninety".
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