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2140252998 = 2313108725243
BaseRepresentation
bin111111110010001…
…1010101101000110
312112011021010011120
41333210122231012
513340401043443
6552213014410
7104015564442
oct17744325506
95464233146
102140252998
119a9131834
124b8924406
132815428c0
14164367822
15c7d69083
hex7f91ab46

2140252998 has 32 divisors (see below), whose sum is σ = 4614199296. Its totient is φ = 657907488.

The previous prime is 2140252987. The next prime is 2140252999. The reversal of 2140252998 is 8992520412.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140252999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72165 + ... + 97407.

It is an arithmetic number, because the mean of its divisors is an integer number (144193728).

Almost surely, 22140252998 is an apocalyptic number.

2140252998 is an abundant number, since it is smaller than the sum of its proper divisors (2473946298).

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

2140252998 is a wasteful number, since it uses less digits than its factorization.

2140252998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26348.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 2140252998 is about 46262.8684584084. The cubic root of 2140252998 is about 1288.7095237317.

The spelling of 2140252998 in words is "two billion, one hundred forty million, two hundred fifty-two thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 13 26 39 78 1087 2174 3261 6522 14131 25243 28262 42393 50486 75729 84786 151458 328159 656318 984477 1968954 27439141 54878282 82317423 164634846 356708833 713417666 1070126499 2140252998