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142602145304664 = 23371127658950433
BaseRepresentation
bin100000011011001000100110…
…001101110001000001011000
3200200220122001200201012210210
4200123020212031301001120
5122142343143144222124
61223142304323411120
742015444045316533
oct4033104615610130
9620818050635723
10142602145304664
114148a259437791
1213bb1301b23aa0
13617542b1c32c6
14272dda2d01a1a
15117462084ca29
hex81b226371058

142602145304664 has 64 divisors (see below), whose sum is σ = 364373231984640. Its totient is φ = 46495542481920.

The previous prime is 142602145304627. The next prime is 142602145304741. The reversal of 142602145304664 is 466403541206241.

It is a congruent number.

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, 329258809 + ... + 329691624.

It is an arithmetic number, because the mean of its divisors is an integer number (5693331749760).

Almost surely, 2142602145304664 is an apocalyptic number.

It is an amenable number.

142602145304664 is an abundant number, since it is smaller than the sum of its proper divisors (221771086679976).

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

142602145304664 is a wasteful number, since it uses less digits than its factorization.

142602145304664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658950640 (or 658950636 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 48.

The spelling of 142602145304664 in words is "one hundred forty-two trillion, six hundred two billion, one hundred forty-five million, three hundred four thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 24 71 127 142 213 254 284 381 426 508 568 762 852 1016 1524 1704 3048 9017 18034 27051 36068 54102 72136 108204 216408 658950433 1317900866 1976851299 2635801732 3953702598 5271603464 7907405196 15814810392 46785480743 83686704991 93570961486 140356442229 167373409982 187141922972 251060114973 280712884458 334746819964 374283845944 502120229946 561425768916 669493639928 1004240459892 1122851537832 2008480919784 5941756054361 11883512108722 17825268163083 23767024217444 35650536326166 47534048434888 71301072652332 142602145304664