Search a number
-
+
1312113022 = 21159641501
BaseRepresentation
bin100111000110101…
…0100000101111110
310101102222020200121
41032031110011332
510141400104042
6334111045154
744341530253
oct11615240576
93342866617
101312113022
11613720a30
123075107ba
1317bab954c
14c639542a
157a2d4367
hex4e35417e

1312113022 has 8 divisors (see below), whose sum is σ = 2147094072. Its totient is φ = 596415000.

The previous prime is 1312113007. The next prime is 1312113029. The reversal of 1312113022 is 2203112131.

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

It is a junction number, because it is equal to n+sod(n) for n = 1312112987 and 1312113005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312113029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29820729 + ... + 29820772.

It is an arithmetic number, because the mean of its divisors is an integer number (268386759).

Almost surely, 21312113022 is an apocalyptic number.

1312113022 is a deficient number, since it is larger than the sum of its proper divisors (834981050).

1312113022 is a wasteful number, since it uses less digits than its factorization.

1312113022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59641514.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1312113022 is about 36223.1006679439. The cubic root of 1312113022 is about 1094.7721694705.

Adding to 1312113022 its reverse (2203112131), we get a palindrome (3515225153).

The spelling of 1312113022 in words is "one billion, three hundred twelve million, one hundred thirteen thousand, twenty-two".

Divisors: 1 2 11 22 59641501 119283002 656056511 1312113022