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157171014492 = 22386579151279
BaseRepresentation
bin1001001001100000011…
…1110101101101011100
3120000200111222210102220
42102120013311231130
510033341234430432
6200111532145340
714232562403022
oct2223007655534
9500614883386
10157171014492
1160723a38508
1226564308250
1311a8a1313bb
14786dd06712
15414d42972c
hex24981f5b5c

157171014492 has 24 divisors (see below), whose sum is σ = 366739027200. Its totient is φ = 52389386736.

The previous prime is 157171014491. The next prime is 157171014493. The reversal of 157171014492 is 294410171751.

157171014492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (157171014491) and next prime (157171014493).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157171014491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 963309 + ... + 1114587.

It is an arithmetic number, because the mean of its divisors is an integer number (15280792800).

Almost surely, 2157171014492 is an apocalyptic number.

157171014492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157171014492 is an abundant number, since it is smaller than the sum of its proper divisors (209568012708).

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

157171014492 is a wasteful number, since it uses less digits than its factorization.

157171014492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237865 (or 237863 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 42.

The spelling of 157171014492 in words is "one hundred fifty-seven billion, one hundred seventy-one million, fourteen thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 86579 151279 173158 259737 302558 346316 453837 519474 605116 907674 1038948 1815348 13097584541 26195169082 39292753623 52390338164 78585507246 157171014492