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1310242199 = 7883211979
BaseRepresentation
bin100111000011000…
…1011010110010111
310101022110012101212
41032012023112113
510140410222244
6334003012035
744316606050
oct11606132627
93338405355
101310242199
116126633a2
1230696a01b
1317b5b2b56
14c6029727
157a064d9e
hex4e18b597

1310242199 has 8 divisors (see below), whose sum is σ = 1499122560. Its totient is φ = 1121787576.

The previous prime is 1310242177. The next prime is 1310242259. The reversal of 1310242199 is 9912420131.

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

It is not a de Polignac number, because 1310242199 - 212 = 1310238103 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 (1310242159) 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, 99809 + ... + 112170.

It is an arithmetic number, because the mean of its divisors is an integer number (187390320).

Almost surely, 21310242199 is an apocalyptic number.

1310242199 is a deficient number, since it is larger than the sum of its proper divisors (188880361).

1310242199 is an equidigital number, since it uses as much as digits as its factorization.

1310242199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212869.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 1310242199 is about 36197.2678388853. The cubic root of 1310242199 is about 1094.2516098582.

The spelling of 1310242199 in words is "one billion, three hundred ten million, two hundred forty-two thousand, one hundred ninety-nine".

Divisors: 1 7 883 6181 211979 1483853 187177457 1310242199