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4006137939 = 32415540993
BaseRepresentation
bin1110111011001000…
…1101000001010011
3101100012020220010020
43232302031001103
531201032403224
61501305234523
7201163416306
oct35662150123
911305226106
104006137939
1117763a6801
12939792a43
134bac9042b
142a00b0b3d
15186a88c79
hexeec8d053

4006137939 has 8 divisors (see below), whose sum is σ = 5363682192. Its totient is φ = 2659676160.

The previous prime is 4006137917. The next prime is 4006137943. The reversal of 4006137939 is 9397316004.

4006137939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4006137939 - 223 = 3997749331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4006137939.

It is not an unprimeable number, because it can be changed into a prime (4006137739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2769774 + ... + 2771219.

It is an arithmetic number, because the mean of its divisors is an integer number (670460274).

Almost surely, 24006137939 is an apocalyptic number.

4006137939 is a deficient number, since it is larger than the sum of its proper divisors (1357544253).

4006137939 is a wasteful number, since it uses less digits than its factorization.

4006137939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5541237.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 4006137939 is about 63294.0592709932. The cubic root of 4006137939 is about 1588.2125845836.

The spelling of 4006137939 in words is "four billion, six million, one hundred thirty-seven thousand, nine hundred thirty-nine".

Divisors: 1 3 241 723 5540993 16622979 1335379313 4006137939