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10225542440 = 235255638561
BaseRepresentation
bin10011000010111110…
…10110010100101000
3222101122011101012002
421201133112110220
5131420214324230
64410400510132
7511253451041
oct114137262450
928348141162
1010225542440
114378063423
121b9461b348
13c6c648839
146d00b38c8
153ecab0545
hex2617d6528

10225542440 has 16 divisors (see below), whose sum is σ = 23007470580. Its totient is φ = 4090216960.

The previous prime is 10225542421. The next prime is 10225542473. The reversal of 10225542440 is 4424552201.

It can be written as a sum of positive squares in 2 ways, for example, as 9331173604 + 894368836 = 96598^2 + 29906^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127819241 + ... + 127819320.

Almost surely, 210225542440 is an apocalyptic number.

10225542440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10225542440 is an abundant number, since it is smaller than the sum of its proper divisors (12781928140).

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

10225542440 is a wasteful number, since it uses less digits than its factorization.

10225542440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255638572 (or 255638568 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The spelling of 10225542440 in words is "ten billion, two hundred twenty-five million, five hundred forty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 255638561 511277122 1022554244 1278192805 2045108488 2556385610 5112771220 10225542440