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20693162112 = 27377698349
BaseRepresentation
bin10011010001011010…
…001001100010000000
31222102010211112220120
4103101122021202000
5314334422141422
613301210140240
71331536655460
oct232132114200
958363745816
1020693162112
118859828a77
124016121680
131c4a19182c
14100439dba0
15811a3c45c
hex4d1689880

20693162112 has 64 divisors (see below), whose sum is σ = 62818536000. Its totient is φ = 5912331264.

The previous prime is 20693162081. The next prime is 20693162141. The reversal of 20693162112 is 21126139602.

It is a tau number, because it is divible by the number of its divisors (64).

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, 3846487 + ... + 3851862.

It is an arithmetic number, because the mean of its divisors is an integer number (981539625).

Almost surely, 220693162112 is an apocalyptic number.

It is an amenable number.

20693162112 is an abundant number, since it is smaller than the sum of its proper divisors (42125373888).

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

20693162112 is an equidigital number, since it uses as much as digits as its factorization.

20693162112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7698373 (or 7698361 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 20693162112 in words is "twenty billion, six hundred ninety-three million, one hundred sixty-two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 336 384 448 672 896 1344 2688 7698349 15396698 23095047 30793396 46190094 53888443 61586792 92380188 107776886 123173584 161665329 184760376 215553772 246347168 323330658 369520752 431107544 492694336 646661316 739041504 862215088 985388672 1293322632 1478083008 1724430176 2586645264 2956166016 3448860352 5173290528 6897720704 10346581056 20693162112