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312440001102 = 23223754685993
BaseRepresentation
bin1001000101111101110…
…00000001001001001110
31002212110110222120010200
410202332320001021032
520104334120013402
6355311041314330
731400361122205
oct4427670011116
91085413876120
10312440001102
11110561265249
12506776359a6
132360319bbc8
141119d37823c
1581d989521c
hex48bee0124e

312440001102 has 24 divisors (see below), whose sum is σ = 706386090384. Its totient is φ = 99618550944.

The previous prime is 312440001073. The next prime is 312440001113. The reversal of 312440001102 is 201100044213.

It is a super-2 number, since 2×3124400011022 (a number of 24 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

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, 377342583 + ... + 377343410.

It is an arithmetic number, because the mean of its divisors is an integer number (29432753766).

Almost surely, 2312440001102 is an apocalyptic number.

312440001102 is an abundant number, since it is smaller than the sum of its proper divisors (393946089282).

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

312440001102 is a wasteful number, since it uses less digits than its factorization.

312440001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754686024 (or 754686021 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 312440001102 its reverse (201100044213), we get a palindrome (513540045315).

The spelling of 312440001102 in words is "three hundred twelve billion, four hundred forty million, one thousand, one hundred two".

Divisors: 1 2 3 6 9 18 23 46 69 138 207 414 754685993 1509371986 2264057979 4528115958 6792173937 13584347874 17357777839 34715555678 52073333517 104146667034 156220000551 312440001102