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42639184153 = 1915133744101
BaseRepresentation
bin100111101101011111…
…100101000100011001
311002001121010222112201
4213231133211010121
51144311112343103
631331013410201
73036432041146
oct475537450431
9132047128481
1042639184153
11170a0787175
12831b939961
134036a948a7
1420c6ccd3cd
15119855751d
hex9ed7e5119

42639184153 has 16 divisors (see below), whose sum is σ = 45315687040. Its totient is φ = 40007520000.

The previous prime is 42639184139. The next prime is 42639184193. The reversal of 42639184153 is 35148193624.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42639184153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42639184103) 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, 944803 + ... + 988903.

It is an arithmetic number, because the mean of its divisors is an integer number (2832230440).

Almost surely, 242639184153 is an apocalyptic number.

It is an amenable number.

42639184153 is a deficient number, since it is larger than the sum of its proper divisors (2676502887).

42639184153 is a wasteful number, since it uses less digits than its factorization.

42639184153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44608.

The product of its digits is 622080, while the sum is 46.

The spelling of 42639184153 in words is "forty-two billion, six hundred thirty-nine million, one hundred eighty-four thousand, one hundred fifty-three".

Divisors: 1 19 151 337 2869 6403 44101 50887 837919 966853 6659251 14862037 126525769 282378703 2244167587 42639184153