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40250612120 = 2351091922333
BaseRepresentation
bin100101011111000111…
…111001100110011000
310211220010121221200212
4211133013321212120
51124413124041440
630254010150252
72623306362245
oct453707714630
9124803557625
1040250612120
111608546a6a4
127973a22388
133a45c7a764
141d3b9a65cc
1510a89dc465
hex95f1f9998

40250612120 has 32 divisors (see below), whose sum is σ = 90646985520. Its totient is φ = 16085470080.

The previous prime is 40250612119. The next prime is 40250612123. The reversal of 40250612120 is 2121605204.

It is a happy number.

It is a super-2 number, since 2×402506121202 (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 (40250612123) 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, 417527 + ... + 504806.

Almost surely, 240250612120 is an apocalyptic number.

40250612120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40250612120 is an abundant number, since it is smaller than the sum of its proper divisors (50396373400).

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

40250612120 is a wasteful number, since it uses less digits than its factorization.

40250612120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923435 (or 923431 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The spelling of 40250612120 in words is "forty billion, two hundred fifty million, six hundred twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1091 2182 4364 5455 8728 10910 21820 43640 922333 1844666 3689332 4611665 7378664 9223330 18446660 36893320 1006265303 2012530606 4025061212 5031326515 8050122424 10062653030 20125306060 40250612120