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1310642268 = 2231317192372
BaseRepresentation
bin100111000011110…
…1101000001011100
310101100012112012020
41032013231001130
510141011023033
6334015340140
744323163325
oct11607550134
93340175166
101310642268
11612906a31
12306b21650
1317b6c2c90
14c60d144c
157a0e36b3
hex4e1ed05c

1310642268 has 216 divisors, whose sum is σ = 3782488752. Its totient is φ = 349857792.

The previous prime is 1310642257. The next prime is 1310642299. The reversal of 1310642268 is 8622460131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 35422746 + ... + 35422782.

It is an arithmetic number, because the mean of its divisors is an integer number (17511522).

Almost surely, 21310642268 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 1310642268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1891244376).

1310642268 is an abundant number, since it is smaller than the sum of its proper divisors (2471846484).

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

1310642268 is a wasteful number, since it uses less digits than its factorization.

1310642268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1310642268 is about 36202.7936491095. The cubic root of 1310642268 is about 1094.3629713552.

The spelling of 1310642268 in words is "one billion, three hundred ten million, six hundred forty-two thousand, two hundred sixty-eight".