Search a number
-
+
1312449106 = 22233179283
BaseRepresentation
bin100111000111010…
…0110001001010010
310101110121022201011
41032032212021102
510141441332411
6334122201134
744344430143
oct11616461122
93343538634
101312449106
11613930491
123076531aa
1317bba6507
14c6441aca
157a34dc21
hex4e3a6252

1312449106 has 16 divisors (see below), whose sum is σ = 1983953664. Its totient is φ = 651150864.

The previous prime is 1312449097. The next prime is 1312449107. The reversal of 1312449106 is 6019442131.

It is not an unprimeable number, because it can be changed into a prime (1312449107) 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, 136741 + ... + 146023.

It is an arithmetic number, because the mean of its divisors is an integer number (123997104).

Almost surely, 21312449106 is an apocalyptic number.

1312449106 is a deficient number, since it is larger than the sum of its proper divisors (671504558).

1312449106 is a wasteful number, since it uses less digits than its factorization.

1312449106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9825.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1312449106 is about 36227.7394547328. The cubic root of 1312449106 is about 1094.8656329638.

The spelling of 1312449106 in words is "one billion, three hundred twelve million, four hundred forty-nine thousand, one hundred six".

Divisors: 1 2 223 317 446 634 9283 18566 70691 141382 2070109 2942711 4140218 5885422 656224553 1312449106