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312005414442 = 2352000902407
BaseRepresentation
bin1001000101001001111…
…10001100111000101010
31002211100012020021022110
410202210332030320222
520102441341230232
6355155554503150
731353533156541
oct4424476147052
91084305207273
10312005414442
11110358a16917
1250575b94ab6
132356413aa37
141115b76d158
1581b164dacc
hex48a4f8ce2a

312005414442 has 8 divisors (see below), whose sum is σ = 624010828896. Its totient is φ = 104001804812.

The previous prime is 312005414387. The next prime is 312005414449. The reversal of 312005414442 is 244414500213.

It is a sphenic number, since it is the product of 3 distinct primes.

312005414442 is an admirable number.

It is a super-2 number, since 2×3120054144422 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312005414449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26000451198 + ... + 26000451209.

It is an arithmetic number, because the mean of its divisors is an integer number (78001353612).

Almost surely, 2312005414442 is an apocalyptic number.

312005414442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

312005414442 is a wasteful number, since it uses less digits than its factorization.

312005414442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52000902412.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 312005414442 its reverse (244414500213), we get a palindrome (556419914655).

The spelling of 312005414442 in words is "three hundred twelve billion, five million, four hundred fourteen thousand, four hundred forty-two".

Divisors: 1 2 3 6 52000902407 104001804814 156002707221 312005414442