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6113021145 = 3571119278561
BaseRepresentation
bin1011011000101110…
…10100110011011001
3120210000201122112120
411230113110303121
5100004413134040
62450331131453
7304325552040
oct55427246331
916700648476
106113021145
1126577062a0
1212272a3b89
1376561b29a
1441dc2d557
1525ba107d0
hex16c5d4cd9

6113021145 has 64 divisors (see below), whose sum is σ = 12836136960. Its totient is φ = 2406758400.

The previous prime is 6113021059. The next prime is 6113021149. The reversal of 6113021145 is 5411203116.

It is a happy number.

6113021145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6113021145 - 27 = 6113021017 is a prime.

It is a super-2 number, since 2×61130211452 = 74738055038434222050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6113021149) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 117336 + ... + 161225.

It is an arithmetic number, because the mean of its divisors is an integer number (200564640).

Almost surely, 26113021145 is an apocalyptic number.

It is an amenable number.

6113021145 is an abundant number, since it is smaller than the sum of its proper divisors (6723115815).

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

6113021145 is a wasteful number, since it uses less digits than its factorization.

6113021145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278606.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 6113021145 is about 78185.8116604285. The cubic root of 6113021145 is about 1828.4593067224.

The spelling of 6113021145 in words is "six billion, one hundred thirteen million, twenty-one thousand, one hundred forty-five".

Divisors: 1 3 5 7 11 15 19 21 33 35 55 57 77 95 105 133 165 209 231 285 385 399 627 665 1045 1155 1463 1995 3135 4389 7315 21945 278561 835683 1392805 1949927 3064171 4178415 5292659 5849781 9192513 9749635 15320855 15877977 21449197 26463295 29248905 37048613 45962565 58219249 64347591 79389885 107245985 111145839 174657747 185243065 291096245 321737955 407534743 555729195 873288735 1222604229 2037673715 6113021145