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8190001352 = 2313312540323
BaseRepresentation
bin1111010000010100…
…11000000011001000
3210010202221011202102
413220022120003020
5113233120020402
63432404052532
7406645601651
oct75012300310
923122834672
108190001352
113523051265
121706994148
13a06a09360
14579a06528
1532e02c102
hex1e82980c8

8190001352 has 32 divisors (see below), whose sum is σ = 17070977280. Its totient is φ = 3658063680.

The previous prime is 8190001349. The next prime is 8190001363. The reversal of 8190001352 is 2531000918.

It is a super-2 number, since 2×81900013522 (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1266938 + ... + 1273385.

It is an arithmetic number, because the mean of its divisors is an integer number (533468040).

Almost surely, 28190001352 is an apocalyptic number.

It is an amenable number.

8190001352 is an abundant number, since it is smaller than the sum of its proper divisors (8880975928).

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

8190001352 is a wasteful number, since it uses less digits than its factorization.

8190001352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540373 (or 2540369 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 8190001352 is about 90498.6262437171. The cubic root of 8190001352 is about 2015.7097251767.

The spelling of 8190001352 in words is "eight billion, one hundred ninety million, one thousand, three hundred fifty-two".

Divisors: 1 2 4 8 13 26 31 52 62 104 124 248 403 806 1612 3224 2540323 5080646 10161292 20322584 33024199 66048398 78750013 132096796 157500026 264193592 315000052 630000104 1023750169 2047500338 4095000676 8190001352