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1387915306141 = 713677922912583
BaseRepresentation
bin10100001100100110001…
…100101110010010011101
311220200110012111201222211
4110030212030232102131
5140214422304244031
62541333253440421
7202162556310310
oct24144614562235
94820405451884
101387915306141
114956800099a1
121a4ba2040111
13a0b5905a650
144b265662977
152618225ebb1
hex1432632e49d

1387915306141 has 64 divisors (see below), whose sum is σ = 1763451289600. Its totient is φ = 1063299384576.

The previous prime is 1387915306121. The next prime is 1387915306187. The reversal of 1387915306141 is 1416035197831.

It is a happy number.

It is not a de Polignac number, because 1387915306141 - 25 = 1387915306109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1387915306121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 110294536 + ... + 110307118.

It is an arithmetic number, because the mean of its divisors is an integer number (27553926400).

Almost surely, 21387915306141 is an apocalyptic number.

It is an amenable number.

1387915306141 is a deficient number, since it is larger than the sum of its proper divisors (375535983459).

1387915306141 is a wasteful number, since it uses less digits than its factorization.

1387915306141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12978.

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 1387915306141 in words is "one trillion, three hundred eighty-seven billion, nine hundred fifteen million, three hundred six thousand, one hundred forty-one".

Divisors: 1 7 13 67 79 91 229 469 553 871 1027 1603 2977 5293 6097 7189 12583 15343 18091 20839 37051 68809 88081 107401 126637 163579 199459 235183 481663 843061 994057 1145053 1212097 1396213 1646281 2881507 5901427 6958399 8484679 10959793 12922741 15757261 20170549 37459591 66601819 76718551 90459187 110300827 193060969 227639053 262217137 466212733 865823647 1351426783 1593473371 2509792597 2959307689 6060765529 15251816551 17568548179 20715153823 106762715857 198273615163 1387915306141