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149897266280 = 2358345149779
BaseRepresentation
bin1000101110011010010…
…0101100010001101000
3112022220121011002200222
42023212210230101220
54423442200010110
6152510054345212
713554410512016
oct2134644542150
9468817132628
10149897266280
115863110a853
122507435b208
131119b1bc588
14737dc8b8b6
153d74a89c55
hex22e692c468

149897266280 has 32 divisors (see below), whose sum is σ = 341332336800. Its totient is φ = 59236508736.

The previous prime is 149897266273. The next prime is 149897266397. The reversal of 149897266280 is 82662798941.

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, 22571570 + ... + 22578209.

It is an arithmetic number, because the mean of its divisors is an integer number (10666635525).

Almost surely, 2149897266280 is an apocalyptic number.

149897266280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149897266280 is an abundant number, since it is smaller than the sum of its proper divisors (191435070520).

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

149897266280 is a wasteful number, since it uses less digits than its factorization.

149897266280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45149873 (or 45149869 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 62.

The spelling of 149897266280 in words is "one hundred forty-nine billion, eight hundred ninety-seven million, two hundred sixty-six thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 83 166 332 415 664 830 1660 3320 45149779 90299558 180599116 225748895 361198232 451497790 902995580 1805991160 3747431657 7494863314 14989726628 18737158285 29979453256 37474316570 74948633140 149897266280