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8140211744 = 25736340231
BaseRepresentation
bin1111001010011000…
…11100011000100000
3210000022020121020212
413211030130120200
5113132343233434
63423424553252
7405502441520
oct74514343040
923008217225
108140211744
1134a7a34625
1216b2182828
139c95c5952
14573165680
153299948ce
hex1e531c620

8140211744 has 24 divisors (see below), whose sum is σ = 18315476928. Its totient is φ = 3488662080.

The previous prime is 8140211701. The next prime is 8140211789. The reversal of 8140211744 is 4471120418.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 8140211744.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18169892 + ... + 18170339.

It is an arithmetic number, because the mean of its divisors is an integer number (763144872).

Almost surely, 28140211744 is an apocalyptic number.

It is an amenable number.

8140211744 is an abundant number, since it is smaller than the sum of its proper divisors (10175265184).

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

8140211744 is a wasteful number, since it uses less digits than its factorization.

8140211744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36340248 (or 36340240 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 8140211744 is about 90223.1220031761. The cubic root of 8140211744 is about 2011.6167074169.

The spelling of 8140211744 in words is "eight billion, one hundred forty million, two hundred eleven thousand, seven hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 36340231 72680462 145360924 254381617 290721848 508763234 581443696 1017526468 1162887392 2035052936 4070105872 8140211744