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152972536240 = 2451912156703
BaseRepresentation
bin1000111001110111011…
…1111010100110110000
3112121211220211000000101
42032131313322212300
510001241432124430
6154135152202144
714023542050446
oct2163567724660
9477756730011
10152972536240
115996a010677
1225792239354
131156b369244
147592488b96
153ea4a4adca
hex239ddfa9b0

152972536240 has 20 divisors (see below), whose sum is σ = 355661146944. Its totient is φ = 61189014464.

The previous prime is 152972536231. The next prime is 152972536243. The reversal of 152972536240 is 42635279251.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×1529725362402 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (152972536243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 956078272 + ... + 956078431.

Almost surely, 2152972536240 is an apocalyptic number.

152972536240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152972536240 is an abundant number, since it is smaller than the sum of its proper divisors (202688610704).

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

152972536240 is a wasteful number, since it uses less digits than its factorization.

152972536240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912156716 (or 1912156710 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 152972536240 in words is "one hundred fifty-two billion, nine hundred seventy-two million, five hundred thirty-six thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1912156703 3824313406 7648626812 9560783515 15297253624 19121567030 30594507248 38243134060 76486268120 152972536240