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157380857433 = 32313265921011
BaseRepresentation
bin1001001010010010100…
…0010100111001011001
3120001020010211220211200
42102210220110321121
510034303444414213
6200144425544413
714241021134022
oct2224450247131
9501203756750
10157380857433
1160821433628
1226602645109
1311ac1753917
14788db2bc49
154161a7a273
hex24a4a14e59

157380857433 has 24 divisors (see below), whose sum is σ = 228150817440. Its totient is φ = 104541053760.

The previous prime is 157380857383. The next prime is 157380857453. The reversal of 157380857433 is 334758083751.

It is a happy number.

157380857433 is a `hidden beast` number, since 1 + 5 + 7 + 38 + 0 + 8 + 574 + 33 = 666.

It is a de Polignac number, because none of the positive numbers 2k-157380857433 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 157380857433.

It is not an unprimeable number, because it can be changed into a prime (157380857453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7479898 + ... + 7500908.

It is an arithmetic number, because the mean of its divisors is an integer number (9506284060).

Almost surely, 2157380857433 is an apocalyptic number.

It is an amenable number.

157380857433 is a deficient number, since it is larger than the sum of its proper divisors (70769960007).

157380857433 is a wasteful number, since it uses less digits than its factorization.

157380857433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23989 (or 23986 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 54.

The spelling of 157380857433 in words is "one hundred fifty-seven billion, three hundred eighty million, eight hundred fifty-seven thousand, four hundred thirty-three".

Divisors: 1 3 9 313 939 2659 2817 7977 21011 23931 63033 189099 832267 2496801 6576443 7490403 19729329 55868249 59187987 167604747 502814241 17486761937 52460285811 157380857433