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149415271428 = 223191148943781
BaseRepresentation
bin1000101100100111011…
…0000001110000000100
3112021200000012020001210
42023021312001300010
54422000302141203
6152350155451420
713536435565143
oct2131166016004
9467600166053
10149415271428
11584040309a5
1224b5aa56b70
131112239c917
147335c6175a
153d475cb803
hex22c9d81c04

149415271428 has 48 divisors (see below), whose sum is σ = 350704327680. Its totient is φ = 49509926400.

The previous prime is 149415271391. The next prime is 149415271429. The reversal of 149415271428 is 824172514941.

It is not an unprimeable number, because it can be changed into a prime (149415271429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3390898 + ... + 3434678.

It is an arithmetic number, because the mean of its divisors is an integer number (7306340160).

Almost surely, 2149415271428 is an apocalyptic number.

It is an amenable number.

149415271428 is an abundant number, since it is smaller than the sum of its proper divisors (201289056252).

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

149415271428 is a wasteful number, since it uses less digits than its factorization.

149415271428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45468 (or 45466 counting only the distinct ones).

The product of its digits is 645120, while the sum is 48.

The spelling of 149415271428 in words is "one hundred forty-nine billion, four hundred fifteen million, two hundred seventy-one thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 191 382 573 764 1146 1489 2292 2978 4467 5956 8934 17868 43781 87562 131343 175124 262686 284399 525372 568798 853197 1137596 1706394 3412788 8362171 16724342 25086513 33448684 50173026 65189909 100346052 130379818 195569727 260759636 391139454 782278908 12451272619 24902545238 37353817857 49805090476 74707635714 149415271428