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8868105225 = 3252746312161
BaseRepresentation
bin10000100001001010…
…01000110000001001
3211220000220102101200
420100211020300021
5121130213331400
64023550134413
7432521436120
oct102045106011
924800812350
108868105225
1138408a5791
121875ab1409
13ab4350255
14601ac0ab7
1536d826b00
hex210948c09

8868105225 has 72 divisors (see below), whose sum is σ = 18193573632. Its totient is φ = 4044902400.

The previous prime is 8868105223. The next prime is 8868105283. The reversal of 8868105225 is 5225018688.

It is not a de Polignac number, because 8868105225 - 21 = 8868105223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (8868105221) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 723145 + ... + 735305.

Almost surely, 28868105225 is an apocalyptic number.

It is an amenable number.

8868105225 is an abundant number, since it is smaller than the sum of its proper divisors (9325468407).

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

8868105225 is a wasteful number, since it uses less digits than its factorization.

8868105225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12647 (or 12639 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The square root of 8868105225 is about 94170.6176309787. The cubic root of 8868105225 is about 2069.8725854501.

The spelling of 8868105225 in words is "eight billion, eight hundred sixty-eight million, one hundred five thousand, two hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 25 35 45 63 75 105 175 225 315 463 525 1389 1575 2315 3241 4167 6945 9723 11575 12161 16205 20835 29169 34725 36483 48615 60805 81025 85127 104175 109449 145845 182415 243075 255381 304025 425635 547245 729225 766143 912075 1276905 2128175 2736225 3830715 5630543 6384525 16891629 19153575 28152715 39413801 50674887 84458145 118241403 140763575 197069005 253374435 354724209 422290725 591207015 985345025 1266872175 1773621045 2956035075 8868105225