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156247731164 = 22747118729279
BaseRepresentation
bin1001000110000100010…
…1110010101111011100
3112221022011200010211002
42101201011302233130
510024443404344124
6155440151045432
714200651541630
oct2214105625734
9487264603732
10156247731164
116029a853038
1226347070878
1311970a74cc5
1477c3448dc0
1540e734e0ae
hex2461172bdc

156247731164 has 24 divisors (see below), whose sum is σ = 319144304640. Its totient is φ = 65538561456.

The previous prime is 156247731149. The next prime is 156247731179. The reversal of 156247731164 is 461137742651.

156247731164 is digitally balanced in base 3, 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 (156247731149) and next prime (156247731179).

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59363324 + ... + 59365955.

It is an arithmetic number, because the mean of its divisors is an integer number (13297679360).

Almost surely, 2156247731164 is an apocalyptic number.

156247731164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

156247731164 is an abundant number, since it is smaller than the sum of its proper divisors (162896573476).

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

156247731164 is a wasteful number, since it uses less digits than its factorization.

156247731164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118729337 (or 118729335 counting only the distinct ones).

The product of its digits is 846720, while the sum is 47.

The spelling of 156247731164 in words is "one hundred fifty-six billion, two hundred forty-seven million, seven hundred thirty-one thousand, one hundred sixty-four".

Divisors: 1 2 4 7 14 28 47 94 188 329 658 1316 118729279 237458558 474917116 831104953 1662209906 3324419812 5580276113 11160552226 22321104452 39061932791 78123865582 156247731164