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63139126 = 2313792687
BaseRepresentation
bin1111000011011…
…0110100110110
311101210210121011
43300312310312
5112130423001
610133142434
71364450041
oct360666466
9141723534
1063139126
11327053a6
121918aa1a
1310108a3b
148557c58
155822d51
hex3c36d36

63139126 has 16 divisors (see below), whose sum is σ = 98058240. Its totient is φ = 30459240.

The previous prime is 63139081. The next prime is 63139129. The reversal of 63139126 is 62193136.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63139129) 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, 22155 + ... + 24841.

It is an arithmetic number, because the mean of its divisors is an integer number (6128640).

Almost surely, 263139126 is an apocalyptic number.

63139126 is the 5026-th centered pentagonal number.

63139126 is a deficient number, since it is larger than the sum of its proper divisors (34919114).

63139126 is a wasteful number, since it uses less digits than its factorization.

63139126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3099.

The product of its digits is 5832, while the sum is 31.

The square root of 63139126 is about 7946.0132141848. The cubic root of 63139126 is about 398.1984103692.

The spelling of 63139126 in words is "sixty-three million, one hundred thirty-nine thousand, one hundred twenty-six".

Divisors: 1 2 31 62 379 758 2687 5374 11749 23498 83297 166594 1018373 2036746 31569563 63139126