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3138711426 = 232174372857
BaseRepresentation
bin1011101100010100…
…1110111110000010
322002202001001122100
42323011032332002
522412002231201
61235241251230
7140531415114
oct27305167602
98082031570
103138711426
1113707a2394
12737193b16
133b03601c6
1421abd33b4
15135843886
hexbb14ef82

3138711426 has 12 divisors (see below), whose sum is σ = 6800541462. Its totient is φ = 1046237136.

The previous prime is 3138711421. The next prime is 3138711461. The reversal of 3138711426 is 6241178313.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2946861225 + 191850201 = 54285^2 + 13851^2 .

It is not an unprimeable number, because it can be changed into a prime (3138711421) 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 5 ways as a sum of consecutive naturals, for example, 87186411 + ... + 87186446.

Almost surely, 23138711426 is an apocalyptic number.

3138711426 is an abundant number, since it is smaller than the sum of its proper divisors (3661830036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3138711426 is a wasteful number, since it uses less digits than its factorization.

3138711426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174372865 (or 174372862 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 3138711426 is about 56024.2039300872. The cubic root of 3138711426 is about 1464.1440135361.

Adding to 3138711426 its reverse (6241178313), we get a palindrome (9379889739).

The spelling of 3138711426 in words is "three billion, one hundred thirty-eight million, seven hundred eleven thousand, four hundred twenty-six".

Divisors: 1 2 3 6 9 18 174372857 348745714 523118571 1046237142 1569355713 3138711426