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149728363788 = 22373943168743
BaseRepresentation
bin1000101101110010000…
…0011000010100001100
3112022110211022222001010
42023130200120110030
54423120430120123
6152441222245220
713550260043643
oct2133440302414
9468424288033
10149728363788
1158554837913
1225027886810
1311172202983
14736568235a
153d64d24993
hex22dc81850c

149728363788 has 24 divisors (see below), whose sum is σ = 349372977408. Its totient is φ = 49908483856.

The previous prime is 149728363769. The next prime is 149728363817. The reversal of 149728363788 is 887363827941.

It is a happy 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, 802945 + ... + 971687.

It is an arithmetic number, because the mean of its divisors is an integer number (14557207392).

Almost surely, 2149728363788 is an apocalyptic number.

It is an amenable number.

149728363788 is an abundant number, since it is smaller than the sum of its proper divisors (199644613620).

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

149728363788 is a wasteful number, since it uses less digits than its factorization.

149728363788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242693 (or 242691 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 66.

The spelling of 149728363788 in words is "one hundred forty-nine billion, seven hundred twenty-eight million, three hundred sixty-three thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 12 73943 147886 168743 221829 295772 337486 443658 506229 674972 887316 1012458 2024916 12477363649 24954727298 37432090947 49909454596 74864181894 149728363788