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312212230103 = 192864853823
BaseRepresentation
bin1001000101100010100…
…11001000111111010111
31002211212121101121001202
410202301103020333113
520103402312330403
6355232303343115
731361624111624
oct4426123107727
91084777347052
10312212230103
11110454734554
12506132b1a9b
1323597c40377
141117b00734b
1581c48a2688
hex48b14c8fd7

312212230103 has 6 divisors (see below), whose sum is σ = 329509306944. Its totient is φ = 295780007124.

The previous prime is 312212230087. The next prime is 312212230123. The reversal of 312212230103 is 301032212213.

It is not a de Polignac number, because 312212230103 - 24 = 312212230087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312212230123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 432426551 + ... + 432427272.

It is an arithmetic number, because the mean of its divisors is an integer number (54918217824).

Almost surely, 2312212230103 is an apocalyptic number.

312212230103 is a deficient number, since it is larger than the sum of its proper divisors (17297076841).

312212230103 is an equidigital number, since it uses as much as digits as its factorization.

312212230103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864853861 (or 864853842 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 312212230103 its reverse (301032212213), we get a palindrome (613244442316).

The spelling of 312212230103 in words is "three hundred twelve billion, two hundred twelve million, two hundred thirty thousand, one hundred three".

Divisors: 1 19 361 864853823 16432222637 312212230103