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6412511144 = 2313378631931
BaseRepresentation
bin1011111100011011…
…10010011110101000
3121112220021022120202
411332031302132220
5101113100324034
62540150211332
7314623305524
oct57615623650
917486238522
106412511144
1127a0771596
1212ab653b48
137b269abc0
1444b90cd84
15277e6d47e
hex17e3727a8

6412511144 has 64 divisors (see below), whose sum is σ = 13320599040. Its totient is φ = 2874804480.

The previous prime is 6412511101. The next prime is 6412511173. The reversal of 6412511144 is 4411152146.

It is a super-2 number, since 2×64125111442 = 82240598343848377472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3319859 + ... + 3321789.

It is an arithmetic number, because the mean of its divisors is an integer number (208134360).

Almost surely, 26412511144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6412511144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6660299520).

6412511144 is an abundant number, since it is smaller than the sum of its proper divisors (6908087896).

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

6412511144 is a wasteful number, since it uses less digits than its factorization.

6412511144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2850 (or 2846 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

The square root of 6412511144 is about 80078.1564722865. The cubic root of 6412511144 is about 1857.8445706660.

The spelling of 6412511144 in words is "six billion, four hundred twelve million, five hundred eleven thousand, one hundred forty-four".

Divisors: 1 2 4 8 13 26 37 52 74 104 148 296 481 863 962 1726 1924 1931 3452 3848 3862 6904 7724 11219 15448 22438 25103 31931 44876 50206 63862 71447 89752 100412 127724 142894 200824 255448 285788 415103 571576 830206 928811 1660412 1666453 1857622 3320824 3332906 3715244 6665812 7430488 13331624 21663889 43327778 61658761 86655556 123317522 173311112 246635044 493270088 801563893 1603127786 3206255572 6412511144