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16331140140 = 2235738883667
BaseRepresentation
bin11110011010110100…
…10110110000101100
31120011010220212200020
433031122112300230
5231421232441030
611300305002140
71115462254320
oct171532266054
946133825606
1016331140140
116a20559337
1231b9323350
131703567c43
14b0cd2d980
15658b06510
hex3cd696c2c

16331140140 has 48 divisors (see below), whose sum is σ = 52259649792. Its totient is φ = 3732831936.

The previous prime is 16331140123. The next prime is 16331140181. The reversal of 16331140140 is 4104113361.

It is a super-2 number, since 2×163311401402 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16331140140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19441414 + ... + 19442253.

It is an arithmetic number, because the mean of its divisors is an integer number (1088742704).

Almost surely, 216331140140 is an apocalyptic number.

16331140140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16331140140 is an abundant number, since it is smaller than the sum of its proper divisors (35928509652).

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

16331140140 is a wasteful number, since it uses less digits than its factorization.

16331140140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38883686 (or 38883684 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The spelling of 16331140140 in words is "sixteen billion, three hundred thirty-one million, one hundred forty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 38883667 77767334 116651001 155534668 194418335 233302002 272185669 388836670 466604004 544371338 583255005 777673340 816557007 1088742676 1166510010 1360928345 1633114014 2333020020 2721856690 3266228028 4082785035 5443713380 8165570070 16331140140