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313211404212 = 2237195910132933
BaseRepresentation
bin1001000111011001101…
…10101011111110110100
31002221110020111220021020
410203230312223332310
520112424104413322
6355515355221140
731425446002650
oct4435466537664
91087406456236
10313211404212
11110917743883
1250851a477b0
13236c6c4b655
14112339bba60
15823246e05c
hex48ecdabfb4

313211404212 has 192 divisors, whose sum is σ = 902971238400. Its totient is φ = 82514419200.

The previous prime is 313211404171. The next prime is 313211404237. The reversal of 313211404212 is 212404112313.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9494098 + ... + 9527030.

It is an arithmetic number, because the mean of its divisors is an integer number (4702975200).

Almost surely, 2313211404212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313211404212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451485619200).

313211404212 is an abundant number, since it is smaller than the sum of its proper divisors (589759834188).

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

313211404212 is a wasteful number, since it uses less digits than its factorization.

313211404212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33126 (or 33124 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 313211404212 its reverse (212404112313), we get a palindrome (525615516525).

The spelling of 313211404212 in words is "three hundred thirteen billion, two hundred eleven million, four hundred four thousand, two hundred twelve".