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8104452345 = 32511412301
BaseRepresentation
bin1111000110001000…
…00010000011111001
3202220210221211120200
413203010002003321
5113044214433340
63420110312413
7404556464643
oct74304020371
922823854520
108104452345
113489830000
1216a21b8709
139c2085342
1456c4d7893
1532677e330
hex1e31020f9

8104452345 has 60 divisors (see below), whose sum is σ = 15453649380. Its totient is φ = 3929112000.

The previous prime is 8104452331. The next prime is 8104452401. The reversal of 8104452345 is 5432544018.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2886268176 + 5218184169 = 53724^2 + 72237^2 .

It is not a de Polignac number, because 8104452345 - 216 = 8104386809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 652695 + ... + 664995.

It is an arithmetic number, because the mean of its divisors is an integer number (257560823).

Almost surely, 28104452345 is an apocalyptic number.

It is an amenable number.

8104452345 is a deficient number, since it is larger than the sum of its proper divisors (7349197035).

8104452345 is a wasteful number, since it uses less digits than its factorization.

8104452345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12356 (or 12320 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 8104452345 is about 90024.7318518639. The cubic root of 8104452345 is about 2008.6667515437. Note that the first 3 decimals are identical.

The spelling of 8104452345 in words is "eight billion, one hundred four million, four hundred fifty-two thousand, three hundred forty-five".

Divisors: 1 3 5 9 11 15 33 45 55 99 121 165 363 495 605 1089 1331 1815 3993 5445 6655 11979 12301 14641 19965 36903 43923 59895 61505 73205 110709 131769 135311 184515 219615 405933 553545 658845 676555 1217799 1488421 2029665 4465263 6088995 7442105 13395789 16372631 22326315 49117893 66978945 81863155 147353679 180098941 245589465 540296823 736768395 900494705 1620890469 2701484115 8104452345