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157474539020 = 22561400732213
BaseRepresentation
bin1001001010101000110…
…1101100011000001100
3120001110200010102211002
42102222031230120030
510040001440222040
6200202013515432
714243236332131
oct2225215543014
9501420112732
10157474539020
116086a2a9a27
1226629aa2b78
1311b07c94506
14789c356588
154169dd2a15
hex24aa36c60c

157474539020 has 48 divisors (see below), whose sum is σ = 336212106048. Its totient is φ = 61939810560.

The previous prime is 157474539017. The next prime is 157474539031. The reversal of 157474539020 is 20935474751.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4872434 + ... + 4904646.

It is an arithmetic number, because the mean of its divisors is an integer number (7004418876).

Almost surely, 2157474539020 is an apocalyptic number.

157474539020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157474539020 is an abundant number, since it is smaller than the sum of its proper divisors (178737567028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157474539020 is a wasteful number, since it uses less digits than its factorization.

157474539020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36290 (or 36288 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 157474539020 in words is "one hundred fifty-seven billion, four hundred seventy-four million, five hundred thirty-nine thousand, twenty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 4007 8014 16028 20035 32213 40070 64426 80140 128852 161065 244427 322130 488854 644260 977708 1222135 1964993 2444270 3929986 4888540 7859972 9824965 19649930 39299860 129077491 258154982 516309964 645387455 1290774910 2581549820 7873726951 15747453902 31494907804 39368634755 78737269510 157474539020