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21132008147300 = 22521396611513093
BaseRepresentation
bin1001100111000001011011…
…10101101100100101100100
32202211012101222111121222112
410303200231311230211210
510232211323041203200
6112535524401220152
74310510601352061
oct463405565544544
982735358447875
1021132008147300
116808041763926
122453636931658
13ba39804c192b
14530b1a749c68
15269a5a8d2535
hex13382dd6c964

21132008147300 has 36 divisors (see below), whose sum is σ = 45856816327476. Its totient is φ = 8452737148800.

The previous prime is 21132008147293. The next prime is 21132008147351. The reversal of 21132008147300 is 374180023112.

It can be written as a sum of positive squares in 6 ways, for example, as 440208364324 + 20691799782976 = 663482^2 + 4548824^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13209554 + ... + 14722646.

It is an arithmetic number, because the mean of its divisors is an integer number (1273800453541).

Almost surely, 221132008147300 is an apocalyptic number.

21132008147300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21132008147300 is an abundant number, since it is smaller than the sum of its proper divisors (24724808180176).

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

21132008147300 is a wasteful number, since it uses less digits than its factorization.

21132008147300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652768 (or 1652761 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 21132008147300 in words is "twenty-one trillion, one hundred thirty-two billion, eight million, one hundred forty-seven thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 139661 279322 558644 698305 1396610 1513093 2793220 3026186 3491525 6052372 6983050 7565465 13966100 15130930 30261860 37827325 75654650 151309300 211320081473 422640162946 845280325892 1056600407365 2113200814730 4226401629460 5283002036825 10566004073650 21132008147300