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10747531620 = 22325726411901
BaseRepresentation
bin10100000001001101…
…00101000101100100
31000202000101011201200
422000212211011210
5134002332002440
64534244522500
7530222340300
oct120046450544
930660334650
1010747531620
114615779641
1220bb3b0430
13102382c587
1473d550d00
1542d81dc30
hex2809a5164

10747531620 has 216 divisors, whose sum is σ = 38002576248. Its totient is φ = 2451456000.

The previous prime is 10747531559. The next prime is 10747531633. The reversal of 10747531620 is 2613574701.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 997549056 + 9749982564 = 31584^2 + 98742^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5652670 + ... + 5654570.

It is an arithmetic number, because the mean of its divisors is an integer number (175937853).

Almost surely, 210747531620 is an apocalyptic number.

10747531620 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 10747531620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19001288124).

10747531620 is an abundant number, since it is smaller than the sum of its proper divisors (27255044628).

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

10747531620 is a wasteful number, since it uses less digits than its factorization.

10747531620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571 (or 2559 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The spelling of 10747531620 in words is "ten billion, seven hundred forty-seven million, five hundred thirty-one thousand, six hundred twenty".