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155450446113 = 31721971132911
BaseRepresentation
bin1001000011000110010…
…0011001000100100001
3112212020121102212100010
42100301210121010201
510021330303233423
6155225110315133
714142130663464
oct2206144310441
9485217385303
10155450446113
115aa207a6a76
1226164058aa9
1311874832ac1
1477495c92db
15409c361693
hex2431919121

155450446113 has 48 divisors (see below), whose sum is σ = 235030947840. Its totient is φ = 91101830400.

The previous prime is 155450446111. The next prime is 155450446117. The reversal of 155450446113 is 311644054551.

It is not a de Polignac number, because 155450446113 - 21 = 155450446111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155450446111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1103128 + ... + 1236038.

It is an arithmetic number, because the mean of its divisors is an integer number (4896478080).

Almost surely, 2155450446113 is an apocalyptic number.

It is an amenable number.

155450446113 is a deficient number, since it is larger than the sum of its proper divisors (79580501727).

155450446113 is a wasteful number, since it uses less digits than its factorization.

155450446113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133038 (or 133021 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 155450446113 in words is "one hundred fifty-five billion, four hundred fifty million, four hundred forty-six thousand, one hundred thirteen".

Divisors: 1 3 17 19 51 57 71 213 289 323 867 969 1207 1349 3621 4047 5491 16473 20519 22933 61557 68799 132911 389861 398733 1169583 2259487 2525309 6778461 7575927 9436681 28310043 38411279 42930253 115233837 128790759 160423577 179296939 481270731 537890817 729814301 2189442903 2727200809 3048047963 8181602427 9144143889 51816815371 155450446113