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20704117420674 = 2321679109756131
BaseRepresentation
bin1001011010100100011011…
…00100000111001010000010
32201022021221112121112201200
410231102031210013022002
510203204013024430144
6112011201254042030
74234552221241212
oct455221544071202
981267845545650
1020704117420674
11666262658a836
1223a471b049316
13b7250b7a526c
14518128320242
1525d865659c69
hex12d48d907282

20704117420674 has 48 divisors (see below), whose sum is σ = 45132551231040. Its totient is φ = 6859284711840.

The previous prime is 20704117420643. The next prime is 20704117420703. The reversal of 20704117420674 is 47602471140702.

20704117420674 is a `hidden beast` number, since 20 + 7 + 0 + 411 + 7 + 4 + 206 + 7 + 4 = 666.

It is a super-2 number, since 2×207041174206742 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27003589 + ... + 27759719.

It is an arithmetic number, because the mean of its divisors is an integer number (940261483980).

Almost surely, 220704117420674 is an apocalyptic number.

20704117420674 is an abundant number, since it is smaller than the sum of its proper divisors (24428433810366).

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

20704117420674 is a wasteful number, since it uses less digits than its factorization.

20704117420674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765415 (or 765412 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 45.

The spelling of 20704117420674 in words is "twenty trillion, seven hundred four billion, one hundred seventeen million, four hundred twenty thousand, six hundred seventy-four".

Divisors: 1 2 3 6 9 18 167 334 501 1002 1503 3006 9109 18218 27327 54654 81981 163962 756131 1512262 1521203 2268393 3042406 4536786 4563609 6805179 9127218 13610358 13690827 27381654 126273877 252547754 378821631 757643262 1136464893 2272929786 6887597279 13775194558 20662791837 41325583674 61988375511 123976751022 1150228745593 2300457491186 3450686236779 6901372473558 10352058710337 20704117420674