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310123101012 = 22325843591751
BaseRepresentation
bin1001000001101001100…
…01101111101101010100
31002122111000022211201020
410200310301233231110
520040113003213022
6354245114201140
731256065602354
oct4406461575524
91078430284636
10310123101012
1110a58245098a
125012b7231b0
132332418a5ca
141101d78ab64
15810128635c
hex4834c6fb54

310123101012 has 12 divisors (see below), whose sum is σ = 723620569056. Its totient is φ = 103374367000.

The previous prime is 310123101011. The next prime is 310123101023. The reversal of 310123101012 is 210101321013.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 310123100982 and 310123101000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310123101011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12921795864 + ... + 12921795887.

It is an arithmetic number, because the mean of its divisors is an integer number (60301714088).

Almost surely, 2310123101012 is an apocalyptic number.

It is an amenable number.

310123101012 is an abundant number, since it is smaller than the sum of its proper divisors (413497468044).

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

310123101012 is a wasteful number, since it uses less digits than its factorization.

310123101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25843591758 (or 25843591756 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 310123101012 its reverse (210101321013), we get a palindrome (520224422025).

The spelling of 310123101012 in words is "three hundred ten billion, one hundred twenty-three million, one hundred one thousand, twelve".

Divisors: 1 2 3 4 6 12 25843591751 51687183502 77530775253 103374367004 155061550506 310123101012