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10804147249 = 723124792
BaseRepresentation
bin10100000111111101…
…00011010000110001
31000212221220112202211
422003332203100301
5134111330202444
64544030212121
7531510510400
oct120376432061
930787815684
1010804147249
114644728815
122116354041
131032492c4c
14746c8b637
154337a3c34
hex283fa3431

10804147249 has 27 divisors (see below), whose sum is σ = 13013758521. Its totient is φ = 8943255720.

The previous prime is 10804147247. The next prime is 10804147279. The reversal of 10804147249 is 94274140801.

The square root of 10804147249 is 103943.

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

It is not a de Polignac number, because 10804147249 - 21 = 10804147247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10804147247) 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, 22555392 + ... + 22555870.

Almost surely, 210804147249 is an apocalyptic number.

10804147249 is the 103943-rd square number.

10804147249 is the 51972-nd centered octagonal number.

It is an amenable number.

10804147249 is a deficient number, since it is larger than the sum of its proper divisors (2209611272).

10804147249 is an frugal number, since it uses more digits than its factorization.

10804147249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 10804147249 in words is "ten billion, eight hundred four million, one hundred forty-seven thousand, two hundred forty-nine".

Divisors: 1 7 31 49 217 479 961 1519 3353 6727 14849 23471 47089 103943 229441 460319 727601 1606087 3222233 7112671 11242609 22555631 49788697 220492801 348520879 1543449607 10804147249