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20070945356 = 22711292247083
BaseRepresentation
bin10010101100010100…
…100101001001001100
31220210210000122222112
4102230110211021030
5312101130222411
613115342003152
71310243135450
oct225424451114
956723018875
1020070945356
11856a586350
123a818764b8
131b7b2b7837
14d858b2660
157c70d1b8b
hex4ac52524c

20070945356 has 48 divisors (see below), whose sum is σ = 45301213440. Its totient is φ = 7550195520.

The previous prime is 20070945347. The next prime is 20070945379. The reversal of 20070945356 is 65354907002.

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, 1114610 + ... + 1132473.

It is an arithmetic number, because the mean of its divisors is an integer number (943775280).

Almost surely, 220070945356 is an apocalyptic number.

It is an amenable number.

20070945356 is an abundant number, since it is smaller than the sum of its proper divisors (25230268084).

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

20070945356 is a wasteful number, since it uses less digits than its factorization.

20070945356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247134 (or 2247132 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 20070945356 in words is "twenty billion, seventy million, nine hundred forty-five thousand, three hundred fifty-six".

Divisors: 1 2 4 7 11 14 22 28 29 44 58 77 116 154 203 308 319 406 638 812 1276 2233 4466 8932 2247083 4494166 8988332 15729581 24717913 31459162 49435826 62918324 65165407 98871652 130330814 173025391 260661628 346050782 456157849 692101564 716819477 912315698 1433638954 1824631396 2867277908 5017736339 10035472678 20070945356