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149812408452 = 22371783481053
BaseRepresentation
bin1000101110000110000…
…0111111000010000100
3112022200200110212122110
42023201200333002010
54423303434032302
6152453423501020
713552330314060
oct2134140770204
9468620425573
10149812408452
1158598220913
122504ba57770
131118674b045
1473728bcaa0
153d6c3c6b6c
hex22e183f084

149812408452 has 24 divisors (see below), whose sum is σ = 399499756096. Its totient is φ = 42803545248.

The previous prime is 149812408411. The next prime is 149812408477. The reversal of 149812408452 is 254804218941.

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, 891740443 + ... + 891740610.

Almost surely, 2149812408452 is an apocalyptic number.

149812408452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149812408452 is an abundant number, since it is smaller than the sum of its proper divisors (249687347644).

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

149812408452 is a wasteful number, since it uses less digits than its factorization.

149812408452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783481067 (or 1783481065 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 149812408452 in words is "one hundred forty-nine billion, eight hundred twelve million, four hundred eight thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1783481053 3566962106 5350443159 7133924212 10700886318 12484367371 21401772636 24968734742 37453102113 49937469484 74906204226 149812408452