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1312011332430 = 235199567219143
BaseRepresentation
bin10011000101111001111…
…110000010101101001110
311122102112022210100202020
4103011321332002231032
5132443444400114210
62442421340111010
7163534602214311
oct23057176025516
94572468710666
101312011332430
1146646a214007
12192339b35466
13969506c9136
14477048b6978
15241dd683770
hex13179f82b4e

1312011332430 has 32 divisors (see below), whose sum is σ = 3148857345024. Its totient is φ = 349866338976.

The previous prime is 1312011332419. The next prime is 1312011332483. The reversal of 1312011332430 is 342331102131.

It is a self number, because there is not a number n which added to its sum of digits gives 1312011332430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5877439 + ... + 6096581.

It is an arithmetic number, because the mean of its divisors is an integer number (98401792032).

Almost surely, 21312011332430 is an apocalyptic number.

1312011332430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312011332430 is an abundant number, since it is smaller than the sum of its proper divisors (1836846012594).

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

1312011332430 is a wasteful number, since it uses less digits than its factorization.

1312011332430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418720.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1312011332430 its reverse (342331102131), we get a palindrome (1654342434561).

The spelling of 1312011332430 in words is "one trillion, three hundred twelve billion, eleven million, three hundred thirty-two thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 199567 219143 399134 438286 598701 657429 997835 1095715 1197402 1314858 1995670 2191430 2993505 3287145 5987010 6574290 43733711081 87467422162 131201133243 218668555405 262402266486 437337110810 656005666215 1312011332430