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38342885407 = 41935192327
BaseRepresentation
bin100011101101011010…
…100000000000011111
310122222011220101121221
4203231122200000133
51112011234313112
625340421034211
72525113101631
oct435532400037
9118864811557
1038342885407
1115296617352
127520b55967
13380096cc98
141bda48aa51
15ee62a4e07
hex8ed6a001f

38342885407 has 4 divisors (see below), whose sum is σ = 39278077776. Its totient is φ = 37407693040.

The previous prime is 38342885389. The next prime is 38342885447. The reversal of 38342885407 is 70458824383.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38342885407 - 27 = 38342885279 is a prime.

It is a super-2 number, since 2×383428854072 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38342885447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467596123 + ... + 467596204.

It is an arithmetic number, because the mean of its divisors is an integer number (9819519444).

Almost surely, 238342885407 is an apocalyptic number.

38342885407 is a deficient number, since it is larger than the sum of its proper divisors (935192369).

38342885407 is an equidigital number, since it uses as much as digits as its factorization.

38342885407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935192368.

The product of its (nonzero) digits is 5160960, while the sum is 52.

The spelling of 38342885407 in words is "thirty-eight billion, three hundred forty-two million, eight hundred eighty-five thousand, four hundred seven".

Divisors: 1 41 935192327 38342885407