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39442146730 = 2572442318199
BaseRepresentation
bin100100101110111011…
…110110010110101010
310202210210100122200021
4210232323312112222
51121234142143410
630041450031054
72564261500300
oct445673662652
9122723318607
1039442146730
1115800077688
12778911848a
13394762267c
141ca2476270
15105ca41eda
hex92eef65aa

39442146730 has 48 divisors (see below), whose sum is σ = 82610236800. Its totient is φ = 13519221408.

The previous prime is 39442146671. The next prime is 39442146769. The reversal of 39442146730 is 3764124493.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2158171 + ... + 2176369.

It is an arithmetic number, because the mean of its divisors is an integer number (1721046600).

Almost surely, 239442146730 is an apocalyptic number.

39442146730 is an abundant number, since it is smaller than the sum of its proper divisors (43168090070).

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

39442146730 is a wasteful number, since it uses less digits than its factorization.

39442146730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22643 (or 22636 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 39442146730 in words is "thirty-nine billion, four hundred forty-two million, one hundred forty-six thousand, seven hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 4423 8846 18199 22115 30961 36398 44230 61922 90995 127393 154805 181990 216727 254786 309610 433454 636965 891751 1083635 1273930 1783502 2167270 4458755 8917510 80494177 160988354 402470885 563459239 804941770 1126918478 2817296195 3944214673 5634592390 7888429346 19721073365 39442146730