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3123132019 = 7598984967
BaseRepresentation
bin1011101000100111…
…0011011001110011
322001122201112201021
42322021303121303
522344010211034
61233523320311
7140252120110
oct27211633163
98048645637
103123132019
111362a21347
12731b20097
133aa066c17
14218ad9907
151342b76b4
hexba273673

3123132019 has 16 divisors (see below), whose sum is σ = 3670617600. Its totient is φ = 2601998784.

The previous prime is 3123131993. The next prime is 3123132029. The reversal of 3123132019 is 9102313213.

It is not a de Polignac number, because 3123132019 - 225 = 3089577587 is a prime.

It is a super-2 number, since 2×31231320192 = 19507907216206032722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3123131984 and 3123132002.

It is not an unprimeable number, because it can be changed into a prime (3123132029) 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, 5727 + ... + 79240.

It is an arithmetic number, because the mean of its divisors is an integer number (229413600).

Almost surely, 23123132019 is an apocalyptic number.

3123132019 is a deficient number, since it is larger than the sum of its proper divisors (547485581).

3123132019 is an equidigital number, since it uses as much as digits as its factorization.

3123132019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85122.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 3123132019 is about 55884.9892099837. The cubic root of 3123132019 is about 1461.7175038663.

The spelling of 3123132019 in words is "three billion, one hundred twenty-three million, one hundred thirty-two thousand, nineteen".

Divisors: 1 7 59 89 413 623 5251 36757 84967 594769 5013053 7562063 35091371 52934441 446161717 3123132019