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6392142144 = 263214937433
BaseRepresentation
bin1011111010000000…
…00101100101000000
3121111110221110120100
411331000011211000
5101042342022034
62534141442400
7314255211633
oct57500054500
917443843510
106392142144
11279021a003
1212a4870400
137ab3b883b
14448d29c1a
15276298099
hex17d005940

6392142144 has 84 divisors (see below), whose sum is σ = 18336659796. Its totient is φ = 2129000448.

The previous prime is 6392142131. The next prime is 6392142151. The reversal of 6392142144 is 4412412936.

6392142144 is a `hidden beast` number, since 639 + 2 + 1 + 4 + 2 + 14 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2820884544 + 3571257600 = 53112^2 + 59760^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 6392142099 and 6392142108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 856252 + ... + 863684.

It is an arithmetic number, because the mean of its divisors is an integer number (218293569).

Almost surely, 26392142144 is an apocalyptic number.

6392142144 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6392142144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9168329898).

6392142144 is an abundant number, since it is smaller than the sum of its proper divisors (11944517652).

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

6392142144 is a wasteful number, since it uses less digits than its factorization.

6392142144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8944 (or 8931 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 6392142144 is about 79950.8733160558. The cubic root of 6392142144 is about 1855.8753694057.

The spelling of 6392142144 in words is "six billion, three hundred ninety-two million, one hundred forty-two thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 1493 2986 4479 5972 7433 8958 11944 13437 14866 17916 22299 23888 26874 29732 35832 44598 47776 53748 59464 66897 71664 89196 95552 107496 118928 133794 143328 178392 214992 237856 267588 286656 356784 429984 475712 535176 713568 859968 1070352 1427136 2140704 4281408 11097469 22194938 33292407 44389876 66584814 88779752 99877221 133169628 177559504 199754442 266339256 355119008 399508884 532678512 710238016 799017768 1065357024 1598035536 2130714048 3196071072 6392142144