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345338686868 = 227172338518191
BaseRepresentation
bin1010000011001111100…
…10100010110110010100
31020000101020122221211212
411001213302202312110
521124223200434433
6422351342320552
733643546256030
oct5014762426624
91200336587755
10345338686868
1112350375a84a
1256b19289158
1326746c64786
1412a007751c0
158eb2bedd48
hex5067ca2d94

345338686868 has 96 divisors (see below), whose sum is σ = 763392688128. Its totient is φ = 133189056000.

The previous prime is 345338686829. The next prime is 345338686921. The reversal of 345338686868 is 868686833543.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is a junction number, because it is equal to n+sod(n) for n = 345338686798 and 345338686807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42156653 + ... + 42164843.

It is an arithmetic number, because the mean of its divisors is an integer number (7952007168).

Almost surely, 2345338686868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345338686868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381696344064).

345338686868 is an abundant number, since it is smaller than the sum of its proper divisors (418054001260).

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

345338686868 is a wasteful number, since it uses less digits than its factorization.

345338686868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12093 (or 12091 counting only the distinct ones).

The product of its digits is 477757440, while the sum is 68.

The spelling of 345338686868 in words is "three hundred forty-five billion, three hundred thirty-eight million, six hundred eighty-six thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7 14 17 23 28 34 46 68 92 119 161 238 322 391 476 644 782 1564 2737 3851 5474 7702 8191 10948 15404 16382 26957 32764 53914 57337 65467 88573 107828 114674 130934 139247 177146 188393 229348 261868 278494 354292 376786 458269 556988 620011 753572 916538 974729 1240022 1318751 1505741 1833076 1949458 2480044 2637502 3011482 3202681 3898916 5275004 6022964 6405362 10540187 12810724 21080374 22418767 31543541 42160748 44837534 63087082 89675068 126174164 220804787 441609574 536240197 725501443 883219148 1072480394 1451002886 2144960788 2902005772 3753681379 5078510101 7507362758 10157020202 12333524531 15014725516 20314040404 24667049062 49334098124 86334671717 172669343434 345338686868