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1309923102 = 23218320517
BaseRepresentation
bin100111000010011…
…1101011100011110
310101021211222200110
41032010331130132
510140320014402
6333552110450
744314106535
oct11604753436
93337758613
101309923102
11612465684
12306835426
1317b500837
14c5d8531c
157a00056c
hex4e13d71e

1309923102 has 8 divisors (see below), whose sum is σ = 2619846216. Its totient is φ = 436641032.

The previous prime is 1309923077. The next prime is 1309923107. The reversal of 1309923102 is 2013299031.

It is a happy number.

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

1309923102 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1309923102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1309923107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109160253 + ... + 109160264.

It is an arithmetic number, because the mean of its divisors is an integer number (327480777).

Almost surely, 21309923102 is an apocalyptic number.

1309923102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1309923102 is a wasteful number, since it uses less digits than its factorization.

1309923102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218320522.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 1309923102 is about 36192.8598206884. The cubic root of 1309923102 is about 1094.1627711290.

The spelling of 1309923102 in words is "one billion, three hundred nine million, nine hundred twenty-three thousand, one hundred two".

Divisors: 1 2 3 6 218320517 436641034 654961551 1309923102