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3138223015 = 553101117251
BaseRepresentation
bin1011101100001101…
…0111101110100111
322002201010020200001
42323003113232213
522411341114030
61235223002131
7140524312144
oct27303275647
98081106601
103138223015
111370499444
12736b99347
133b021bac5
1421ab073cb
15135798cca
hexbb0d7ba7

3138223015 has 16 divisors (see below), whose sum is σ = 3874944096. Its totient is φ = 2438800000.

The previous prime is 3138223013. The next prime is 3138223021. The reversal of 3138223015 is 5103228313.

It is not a de Polignac number, because 3138223015 - 21 = 3138223013 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 (3138223013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31861 + ... + 85390.

It is an arithmetic number, because the mean of its divisors is an integer number (242184006).

Almost surely, 23138223015 is an apocalyptic number.

3138223015 is a deficient number, since it is larger than the sum of its proper divisors (736721081).

3138223015 is a wasteful number, since it uses less digits than its factorization.

3138223015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117410.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 3138223015 is about 56019.8448319879. The cubic root of 3138223015 is about 1464.0680650506.

The spelling of 3138223015 in words is "three billion, one hundred thirty-eight million, two hundred twenty-three thousand, fifteen".

Divisors: 1 5 53 101 265 505 5353 26765 117251 586255 6214303 11842351 31071515 59211755 627644603 3138223015