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20380576554264 = 2331511562005751
BaseRepresentation
bin1001010001001001110010…
…00001101001110100011000
32200011100211102101121011110
410220210321001221310120
510132403410044214024
6111202412502300320
74202306454245133
oct450447101516430
980140742347143
1020380576554264
116548399165143
122351a85a276a0
13b4ab59824404
145065d493b21a
1525522b44e629
hex128939069d18

20380576554264 has 32 divisors (see below), whose sum is σ = 50985161821440. Its totient is φ = 6789029460000.

The previous prime is 20380576554229. The next prime is 20380576554301. The reversal of 20380576554264 is 46245567508302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280966612 + ... + 281039139.

It is an arithmetic number, because the mean of its divisors is an integer number (1593286306920).

Almost surely, 220380576554264 is an apocalyptic number.

20380576554264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20380576554264 is an abundant number, since it is smaller than the sum of its proper divisors (30604585267176).

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

20380576554264 is a wasteful number, since it uses less digits than its factorization.

20380576554264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562007271 (or 562007267 counting only the distinct ones).

The product of its (nonzero) digits is 48384000, while the sum is 57.

The spelling of 20380576554264 in words is "twenty trillion, three hundred eighty billion, five hundred seventy-six million, five hundred fifty-four thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 24 1511 3022 4533 6044 9066 12088 18132 36264 562005751 1124011502 1686017253 2248023004 3372034506 4496046008 6744069012 13488138024 849190689761 1698381379522 2547572069283 3396762759044 5095144138566 6793525518088 10190288277132 20380576554264