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155401344356 = 221944911713889
BaseRepresentation
bin1001000010111010100…
…1000101010101100100
3112212010012001020101112
42100232221011111210
510021230221004411
6155220154044152
714140663426616
oct2205651052544
9485105036345
10155401344356
115a9a600a105
122614b719658
13118676004cb
147742c86db6
154097db2b8b
hex242ea45564

155401344356 has 48 divisors (see below), whose sum is σ = 287222040000. Its totient is φ = 73365626880.

The previous prime is 155401344349. The next prime is 155401344419. The reversal of 155401344356 is 653443104551.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39957260 + ... + 39961148.

It is an arithmetic number, because the mean of its divisors is an integer number (5983792500).

Almost surely, 2155401344356 is an apocalyptic number.

It is an amenable number.

155401344356 is a deficient number, since it is larger than the sum of its proper divisors (131820695644).

155401344356 is a wasteful number, since it uses less digits than its factorization.

155401344356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5532 (or 5530 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 155401344356 in words is "one hundred fifty-five billion, four hundred one million, three hundred forty-four thousand, three hundred fifty-six".

Divisors: 1 2 4 19 38 76 449 898 1171 1796 2342 3889 4684 7778 8531 15556 17062 22249 34124 44498 73891 88996 147782 295564 525779 1051558 1746161 2103116 3492322 4554019 6984644 9108038 9989801 18216076 19979602 33177059 39959204 66354118 86526361 132708236 173052722 346105444 2044754531 4089509062 8179018124 38850336089 77700672178 155401344356