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157285714430 = 251311057109423
BaseRepresentation
bin1001001001111011110…
…1011000100111111110
3120000222111211011011202
42102132331120213332
510034110120330210
6200131150415502
714235454341125
oct2223675304776
9500874734152
10157285714430
116078275a249
1226596801592
1311aa7b20aa0
147881242abc
1541585349a5
hex249ef589fe

157285714430 has 32 divisors (see below), whose sum is σ = 304922669184. Its totient is φ = 58068942336.

The previous prime is 157285714427. The next prime is 157285714493. The reversal of 157285714430 is 34417582751.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1382699 + ... + 1492121.

It is an arithmetic number, because the mean of its divisors is an integer number (9528833412).

Almost surely, 2157285714430 is an apocalyptic number.

157285714430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157285714430 is a deficient number, since it is larger than the sum of its proper divisors (147636954754).

157285714430 is a wasteful number, since it uses less digits than its factorization.

157285714430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120500.

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 157285714430 in words is "one hundred fifty-seven billion, two hundred eighty-five million, seven hundred fourteen thousand, four hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 11057 22114 55285 109423 110570 143741 218846 287482 547115 718705 1094230 1422499 1437410 2844998 7112495 14224990 1209890111 2419780222 6049450555 12098901110 15728571443 31457142886 78642857215 157285714430