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38670911023 = 160124154223
BaseRepresentation
bin100100000000111101…
…110100011000101111
310200211001010211011211
4210000331310120233
51113144223123043
625433135455251
72536205214553
oct440075643057
9120731124154
1038670911023
11154447a28a8
1275b2987527
133853901194
141c2bc77863
151014e9ca9d
hex900f7462f

38670911023 has 4 divisors (see below), whose sum is σ = 38695066848. Its totient is φ = 38646755200.

The previous prime is 38670910997. The next prime is 38670911093. The reversal of 38670911023 is 32011907683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32011907683 = 74573129669.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38670911023 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 (38670911093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12075511 + ... + 12078712.

It is an arithmetic number, because the mean of its divisors is an integer number (9673766712).

Almost surely, 238670911023 is an apocalyptic number.

38670911023 is a deficient number, since it is larger than the sum of its proper divisors (24155825).

38670911023 is a wasteful number, since it uses less digits than its factorization.

38670911023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24155824.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 38670911023 in words is "thirty-eight billion, six hundred seventy million, nine hundred eleven thousand, twenty-three".

Divisors: 1 1601 24154223 38670911023