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38458331616 = 2533710827233
BaseRepresentation
bin100011110100010010…
…111001000111100000
310200021020010200001110
4203310102321013200
51112230313102431
625400103303320
72531014265535
oct436422710740
9120236120043
1038458331616
11153457a8841
12755374ab40
13381b861253
141c0b93cd8c
1510014ab346
hex8f44b91e0

38458331616 has 48 divisors (see below), whose sum is σ = 103681592784. Its totient is φ = 12472971264.

The previous prime is 38458331591. The next prime is 38458331657. The reversal of 38458331616 is 61613385483.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5410065 + ... + 5417168.

It is an arithmetic number, because the mean of its divisors is an integer number (2160033183).

Almost surely, 238458331616 is an apocalyptic number.

It is an amenable number.

38458331616 is an abundant number, since it is smaller than the sum of its proper divisors (65223261168).

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

38458331616 is a wasteful number, since it uses less digits than its factorization.

38458331616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10827283 (or 10827275 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The spelling of 38458331616 in words is "thirty-eight billion, four hundred fifty-eight million, three hundred thirty-one thousand, six hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 32 37 48 74 96 111 148 222 296 444 592 888 1184 1776 3552 10827233 21654466 32481699 43308932 64963398 86617864 129926796 173235728 259853592 346471456 400607621 519707184 801215242 1039414368 1201822863 1602430484 2403645726 3204860968 4807291452 6409721936 9614582904 12819443872 19229165808 38458331616