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10211012256 = 253671587533
BaseRepresentation
bin10011000001001111…
…11010111010100000
3222100121211011112010
421200213322322200
5131403004343011
64405121232520
7511016113014
oct114047727240
928317734463
1010211012256
11436a939705
121b8b792740
13c6962bcb3
146cc1b0544
153eb6901a6
hex2609faea0

10211012256 has 48 divisors (see below), whose sum is σ = 27203982624. Its totient is φ = 3352867584.

The previous prime is 10211012249. The next prime is 10211012257. The reversal of 10211012256 is 65221011201.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (10211012257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787335 + ... + 800198.

It is an arithmetic number, because the mean of its divisors is an integer number (566749638).

Almost surely, 210211012256 is an apocalyptic number.

10211012256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10211012256 is an abundant number, since it is smaller than the sum of its proper divisors (16992970368).

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

10211012256 is a wasteful number, since it uses less digits than its factorization.

10211012256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587613 (or 1587605 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 10211012256 its reverse (65221011201), we get a palindrome (75432023457).

The spelling of 10211012256 in words is "ten billion, two hundred eleven million, twelve thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 67 96 134 201 268 402 536 804 1072 1608 2144 3216 6432 1587533 3175066 4762599 6350132 9525198 12700264 19050396 25400528 38100792 50801056 76201584 106364711 152403168 212729422 319094133 425458844 638188266 850917688 1276376532 1701835376 2552753064 3403670752 5105506128 10211012256