Search a number
-
+
8013204136 = 2372931159169
BaseRepresentation
bin1110111011001111…
…11100101010101000
3202200110020221120101
413131213330222220
5112402340013021
63403050435144
7402401053120
oct73547745250
922613227511
108013204136
113442276963
121677732ab4
139a91b7212
14560343c80
1531d757a91
hex1dd9fcaa8

8013204136 has 64 divisors (see below), whose sum is σ = 18336384000. Its totient is φ = 3208826880.

The previous prime is 8013204113. The next prime is 8013204139. The reversal of 8013204136 is 6314023108.

It is a super-2 number, since 2×80132041362 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (8013204139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29241 + ... + 129928.

It is an arithmetic number, because the mean of its divisors is an integer number (286506000).

Almost surely, 28013204136 is an apocalyptic number.

It is an amenable number.

8013204136 is an abundant number, since it is smaller than the sum of its proper divisors (10323179864).

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

8013204136 is a wasteful number, since it uses less digits than its factorization.

8013204136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159242 (or 159238 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 8013204136 is about 89516.5020317483. The cubic root of 8013204136 is about 2001.0997398420.

The spelling of 8013204136 in words is "eight billion, thirteen million, two hundred four thousand, one hundred thirty-six".

Divisors: 1 2 4 7 8 14 28 29 31 56 58 62 116 124 203 217 232 248 406 434 812 868 899 1624 1736 1798 3596 6293 7192 12586 25172 50344 159169 318338 636676 1114183 1273352 2228366 4456732 4615901 4934239 8913464 9231802 9868478 18463604 19736956 32311307 34539673 36927208 39473912 64622614 69079346 129245228 138158692 143092931 258490456 276317384 286185862 572371724 1001650517 1144743448 2003301034 4006602068 8013204136