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38462918630 = 25231211913799
BaseRepresentation
bin100011110100100100…
…011000111111100110
310200021112202201020212
4203310210120333212
51112233001344010
625400345455422
72531101262003
oct436444307746
9120245681225
1038462918630
1115348351064
1275551a1572
13381c7a9066
141c0c3b48aa
151001ab5505
hex8f4918fe6

38462918630 has 32 divisors (see below), whose sum is σ = 72254592000. Its totient is φ = 14713966432.

The previous prime is 38462918609. The next prime is 38462918633. The reversal of 38462918630 is 3681926483.

It is a happy number.

It is a super-2 number, since 2×384629186302 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38462918633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2780471 + ... + 2794269.

It is an arithmetic number, because the mean of its divisors is an integer number (2257956000).

Almost surely, 238462918630 is an apocalyptic number.

38462918630 is a deficient number, since it is larger than the sum of its proper divisors (33791673370).

38462918630 is a wasteful number, since it uses less digits than its factorization.

38462918630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25948.

The product of its (nonzero) digits is 1492992, while the sum is 50.

The spelling of 38462918630 in words is "thirty-eight billion, four hundred sixty-two million, nine hundred eighteen thousand, six hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 12119 13799 24238 27598 60595 68995 121190 137990 278737 317377 557474 634754 1393685 1586885 2787370 3173770 167230081 334460162 836150405 1672300810 3846291863 7692583726 19231459315 38462918630