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38888500427 = 78962421349
BaseRepresentation
bin100100001101111011…
…110110110011001011
310201101012120111201122
4210031323312303023
51114120424003202
625510511305455
72544456541160
oct441573666313
9121335514648
1038888500427
11155465a9a57
12765381b28b
133889a065ca
141c4cb18067
15102912d9a2
hex90def6ccb

38888500427 has 8 divisors (see below), whose sum is σ = 44943372000. Its totient is φ = 32958471744.

The previous prime is 38888500381. The next prime is 38888500429. The reversal of 38888500427 is 72400588883.

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

It is a cyclic number.

It is not a de Polignac number, because 38888500427 - 212 = 38888496331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38888500429) 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, 31210052 + ... + 31211297.

It is an arithmetic number, because the mean of its divisors is an integer number (5617921500).

Almost surely, 238888500427 is an apocalyptic number.

38888500427 is a deficient number, since it is larger than the sum of its proper divisors (6054871573).

38888500427 is an equidigital number, since it uses as much as digits as its factorization.

38888500427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62421445.

The product of its (nonzero) digits is 3440640, while the sum is 53.

The spelling of 38888500427 in words is "thirty-eight billion, eight hundred eighty-eight million, five hundred thousand, four hundred twenty-seven".

Divisors: 1 7 89 623 62421349 436949443 5555500061 38888500427