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10620722994 = 237438370853
BaseRepresentation
bin10011110010000101…
…10101111100110010
31000102011202121222220
421321002311330302
5133222401113434
64513514541510
7524122440660
oct117102657462
930364677886
1010620722994
114560137422
122084a37896
13100349059b
1472a781c30
15422620d49
hex2790b5f32

10620722994 has 64 divisors (see below), whose sum is σ = 25140132864. Its totient is φ = 2928171456.

The previous prime is 10620722941. The next prime is 10620723007. The reversal of 10620722994 is 49922702601.

It is a super-2 number, since 2×106207229942 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114472 + ... + 185324.

It is an arithmetic number, because the mean of its divisors is an integer number (392814576).

Almost surely, 210620722994 is an apocalyptic number.

10620722994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10620722994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12570066432).

10620722994 is an abundant number, since it is smaller than the sum of its proper divisors (14519409870).

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

10620722994 is a wasteful number, since it uses less digits than its factorization.

10620722994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70991.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 10620722994 in words is "ten billion, six hundred twenty million, seven hundred twenty-two thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 42 43 83 86 129 166 249 258 301 498 581 602 903 1162 1743 1806 3486 3569 7138 10707 21414 24983 49966 70853 74949 141706 149898 212559 425118 495971 991942 1487913 2975826 3046679 5880799 6093358 9140037 11761598 17642397 18280074 21326753 35284794 41165593 42653506 63980259 82331186 123496779 127960518 246993558 252874357 505748714 758623071 1517246142 1770120499 3540240998 5310361497 10620722994