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11312421102 = 232679380117
BaseRepresentation
bin10101000100100010…
…11101100011101110
31002012101022112102100
422202101131203232
5141131434433402
65110304235530
7550221664353
oct124221354356
932171275370
1011312421102
114885626454
12223860bba6
1310b3883cc8
1479459862a
1546320371c
hex2a245d8ee

11312421102 has 24 divisors (see below), whose sum is σ = 24876072936. Its totient is φ = 3714525936.

The previous prime is 11312421097. The next prime is 11312421103. The reversal of 11312421102 is 20112421311.

11312421102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312421103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4688853 + ... + 4691264.

It is an arithmetic number, because the mean of its divisors is an integer number (1036503039).

Almost surely, 211312421102 is an apocalyptic number.

11312421102 is an abundant number, since it is smaller than the sum of its proper divisors (13563651834).

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

11312421102 is a wasteful number, since it uses less digits than its factorization.

11312421102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9380192 (or 9380189 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11312421102 its reverse (20112421311), we get a palindrome (31424842413).

The spelling of 11312421102 in words is "eleven billion, three hundred twelve million, four hundred twenty-one thousand, one hundred two".

Divisors: 1 2 3 6 9 18 67 134 201 402 603 1206 9380117 18760234 28140351 56280702 84421053 168842106 628467839 1256935678 1885403517 3770807034 5656210551 11312421102