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10031421340 = 2251798213413
BaseRepresentation
bin10010101011110101…
…10101011110011100
3221220002220000002201
421111322311132130
5131021020440330
64335224101244
7503405450233
oct112572653634
927802800081
1010031421340
114288526366
121b3b604824
13c3b36c395
146b23c1b1a
153daa17eca
hex255eb579c

10031421340 has 48 divisors (see below), whose sum is σ = 21215688480. Its totient is φ = 3984124160.

The previous prime is 10031421331. The next prime is 10031421341. The reversal of 10031421340 is 4312413001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031421341) 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, 2937474 + ... + 2940886.

It is an arithmetic number, because the mean of its divisors is an integer number (441993510).

Almost surely, 210031421340 is an apocalyptic number.

10031421340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10031421340 is an abundant number, since it is smaller than the sum of its proper divisors (11184267140).

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

10031421340 is a wasteful number, since it uses less digits than its factorization.

10031421340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4422 (or 4420 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10031421340 its reverse (4312413001), we get a palindrome (14343834341).

The spelling of 10031421340 in words is "ten billion, thirty-one million, four hundred twenty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 179 358 716 821 895 1642 1790 3284 3413 3580 4105 6826 8210 13652 16420 17065 34130 68260 146959 293918 587836 610927 734795 1221854 1469590 2443708 2802073 2939180 3054635 5604146 6109270 11208292 12218540 14010365 28020730 56041460 501571067 1003142134 2006284268 2507855335 5015710670 10031421340