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20969060274 = 233388315931
BaseRepresentation
bin10011100001110110…
…100111011110110010
32000010100222122001000
4103201312213132302
5320421034412044
613344423422430
71341430033341
oct234166473662
960110878030
1020969060274
118990540388
1240925b4a16
131c923a1196
14102cc9bb58
1582ad89d69
hex4e1da77b2

20969060274 has 16 divisors (see below), whose sum is σ = 46597911840. Its totient is φ = 6989686740.

The previous prime is 20969060257. The next prime is 20969060317. The reversal of 20969060274 is 47206096902.

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, 194157912 + ... + 194158019.

It is an arithmetic number, because the mean of its divisors is an integer number (2912369490).

Almost surely, 220969060274 is an apocalyptic number.

20969060274 is an abundant number, since it is smaller than the sum of its proper divisors (25628851566).

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

20969060274 is a wasteful number, since it uses less digits than its factorization.

20969060274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388315942 (or 388315936 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 20969060274 in words is "twenty billion, nine hundred sixty-nine million, sixty thousand, two hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 54 388315931 776631862 1164947793 2329895586 3494843379 6989686758 10484530137 20969060274