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10225658884 = 22723122332
BaseRepresentation
bin10011000010111111…
…10010110000000100
3222101122101021220211
421201133302300010
5131420232041014
64410403205204
7511254444400
oct114137626004
928348337824
1010225658884
114378132961
121b94676804
13c6c68983c
146d0104100
153ecad4cc4
hex2617f2c04

10225658884 has 81 divisors (see below), whose sum is σ = 21602394261. Its totient is φ = 4222854720.

The previous prime is 10225658881. The next prime is 10225658909. The reversal of 10225658884 is 48885652201.

The square root of 10225658884 is 101122.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2076624900 + 8149033984 = 45570^2 + 90272^2 .

It is a super-2 number, since 2×102256588842 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (10225658881) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 43886832 + ... + 43887064.

Almost surely, 210225658884 is an apocalyptic number.

10225658884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

10225658884 is the 101122-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10225658884

10225658884 is an abundant number, since it is smaller than the sum of its proper divisors (11376735377).

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

10225658884 is an equidigital number, since it uses as much as digits as its factorization.

10225658884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 49.

Multiplying 10225658884 by its sum of digits (49), we get a square (501057285316 = 7078542).

10225658884 divided by its sum of digits (49) gives a square (208686916 = 144462).

The spelling of 10225658884 in words is "ten billion, two hundred twenty-five million, six hundred fifty-eight thousand, eight hundred eighty-four".

Divisors: 1 2 4 7 14 28 31 49 62 98 124 196 217 233 434 466 868 932 961 1519 1631 1922 3038 3262 3844 6076 6524 6727 7223 11417 13454 14446 22834 26908 28892 45668 47089 50561 54289 94178 101122 108578 188356 202244 217156 223913 353927 380023 447826 707854 760046 895652 1415708 1520092 1567391 1682959 2660161 3134782 3365918 5320322 6269564 6731836 10640644 10971737 11780713 21943474 23561426 43886948 47122852 52171729 82464991 104343458 164929982 208686916 329859964 365202103 730404206 1460808412 2556414721 5112829442 10225658884