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10031213442 = 236127407687
BaseRepresentation
bin10010101011110100…
…00010101110000010
3221220002111102220210
421111322002232002
5131020442312232
64335215414550
7503403623145
oct112572025602
927802442823
1010031213442
1142883a4148
121b3b524456
13c3b2c8873
146b236a05c
153da9c65cc
hex255e82b82

10031213442 has 16 divisors (see below), whose sum is σ = 20391319872. Its totient is φ = 3288922320.

The previous prime is 10031213441. The next prime is 10031213483. The reversal of 10031213442 is 24431213001.

It is a super-3 number, since 3×100312134423 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (10031213441) 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, 13703478 + ... + 13704209.

It is an arithmetic number, because the mean of its divisors is an integer number (1274457492).

Almost surely, 210031213442 is an apocalyptic number.

10031213442 is an abundant number, since it is smaller than the sum of its proper divisors (10360106430).

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

10031213442 is a wasteful number, since it uses less digits than its factorization.

10031213442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27407753.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 10031213442 its reverse (24431213001), we get a palindrome (34462426443).

The spelling of 10031213442 in words is "ten billion, thirty-one million, two hundred thirteen thousand, four hundred forty-two".

Divisors: 1 2 3 6 61 122 183 366 27407687 54815374 82223061 164446122 1671868907 3343737814 5015606721 10031213442