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10620776320 = 2757111271697
BaseRepresentation
bin10011110010000110…
…00010111110000000
31000102011212100010221
421321003002332000
5133222404320240
64513520032424
7524123052310
oct117103027600
930364770127
1010620776320
1145601734a0
122084a62714
1310034ab93b
1472a797440
15422631a4a
hex2790c2f80

10620776320 has 256 divisors, whose sum is σ = 31923486720. Its totient is φ = 3282370560.

The previous prime is 10620776311. The next prime is 10620776339. The reversal of 10620776320 is 2367702601.

It is a happy number.

It is a super-2 number, since 2×106207763202 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 6257712 + ... + 6259408.

It is an arithmetic number, because the mean of its divisors is an integer number (124701120).

Almost surely, 210620776320 is an apocalyptic number.

10620776320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10620776320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15961743360).

10620776320 is an abundant number, since it is smaller than the sum of its proper divisors (21302710400).

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

10620776320 is a wasteful number, since it uses less digits than its factorization.

10620776320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861 (or 1849 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The spelling of 10620776320 in words is "ten billion, six hundred twenty million, seven hundred seventy-six thousand, three hundred twenty".