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38963107439 = 67641907237
BaseRepresentation
bin100100010010011000…
…011101011001101111
310201120101221221022022
4210102120131121233
51114244023414224
625522134340355
72546353643264
oct442230353157
9121511857268
1038963107439
1115584727343
1276747ba6bb
13389c2c9079
141c589b926b
15103096965e
hex91261d66f

38963107439 has 8 divisors (see below), whose sum is σ = 39606382128. Its totient is φ = 38321648640.

The previous prime is 38963107429. The next prime is 38963107451. The reversal of 38963107439 is 93470136983.

38963107439 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38963107439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38963107429) 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, 410672 + ... + 496565.

It is an arithmetic number, because the mean of its divisors is an integer number (4950797766).

Almost surely, 238963107439 is an apocalyptic number.

38963107439 is a deficient number, since it is larger than the sum of its proper divisors (643274689).

38963107439 is an equidigital number, since it uses as much as digits as its factorization.

38963107439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907945.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The spelling of 38963107439 in words is "thirty-eight billion, nine hundred sixty-three million, one hundred seven thousand, four hundred thirty-nine".

Divisors: 1 67 641 42947 907237 60784879 581538917 38963107439