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1310052423 = 32331360659
BaseRepresentation
bin100111000010101…
…1101000001000111
310101022002120002010
41032011131001013
510140333134143
6333554545303
744315155551
oct11605350107
93338076063
101310052423
11612543859
12306898233
1317b547664
14c5dba4d1
157a028a33
hex4e15d047

1310052423 has 16 divisors (see below), whose sum is σ = 1828535040. Its totient is φ = 832713024.

The previous prime is 1310052397. The next prime is 1310052427. The reversal of 1310052423 is 3242500131.

It is not a de Polignac number, because 1310052423 - 220 = 1309003847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1310052423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310052427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8733 + ... + 51926.

It is an arithmetic number, because the mean of its divisors is an integer number (114283440).

Almost surely, 21310052423 is an apocalyptic number.

1310052423 is a deficient number, since it is larger than the sum of its proper divisors (518482617).

1310052423 is a wasteful number, since it uses less digits than its factorization.

1310052423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60998.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1310052423 is about 36194.6463306385. The cubic root of 1310052423 is about 1094.1987766949.

Adding to 1310052423 its reverse (3242500131), we get a palindrome (4552552554).

The spelling of 1310052423 in words is "one billion, three hundred ten million, fifty-two thousand, four hundred twenty-three".

Divisors: 1 3 23 69 313 939 7199 21597 60659 181977 1395157 4185471 18986267 56958801 436684141 1310052423