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312313021210 = 25140712219551
BaseRepresentation
bin1001000101101110100…
…11101000001100011010
31002212010122001022110201
410202313103220030122
520104104113134320
6355250303532414
731364256610351
oct4426723501432
91085118038421
10312313021210
111104a6616393
1250640bba10a
13235b2a9cc88
141118a562998
1581cd66170a
hex48b74e831a

312313021210 has 16 divisors (see below), whose sum is σ = 562203643392. Its totient is φ = 124916274000.

The previous prime is 312313021177. The next prime is 312313021211. The reversal of 312313021210 is 12120313213.

It is not an unprimeable number, because it can be changed into a prime (312313021211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 969066 + ... + 1250485.

It is an arithmetic number, because the mean of its divisors is an integer number (35137727712).

Almost surely, 2312313021210 is an apocalyptic number.

312313021210 is a deficient number, since it is larger than the sum of its proper divisors (249890622182).

312313021210 is a wasteful number, since it uses less digits than its factorization.

312313021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233629.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 312313021210 its reverse (12120313213), we get a palindrome (324433334423).

The spelling of 312313021210 in words is "three hundred twelve billion, three hundred thirteen million, twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 14071 28142 70355 140710 2219551 4439102 11097755 22195510 31231302121 62462604242 156156510605 312313021210