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1310330323212 = 223109194193601
BaseRepresentation
bin10011000100010101110…
…001100000000100001100
311122021012011200020121120
4103010111301200010030
5132432024030320322
62441542450200540
7163445130655641
oct23042561400414
94567164606546
101310330323212
11465787341999
12191b4ab83150
139674336b821
14475c5535dc8
1524140cd1a5c
hex13115c6010c

1310330323212 has 12 divisors (see below), whose sum is σ = 3057437420856. Its totient is φ = 436776774400.

The previous prime is 1310330323199. The next prime is 1310330323217. The reversal of 1310330323212 is 2123230330131.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1310330323217) 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, 54597096789 + ... + 54597096812.

It is an arithmetic number, because the mean of its divisors is an integer number (254786451738).

Almost surely, 21310330323212 is an apocalyptic number.

1310330323212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1310330323212 is an abundant number, since it is smaller than the sum of its proper divisors (1747107097644).

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

1310330323212 is a wasteful number, since it uses less digits than its factorization.

1310330323212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109194193608 (or 109194193606 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1310330323212 its reverse (2123230330131), we get a palindrome (3433560653343).

The spelling of 1310330323212 in words is "one trillion, three hundred ten billion, three hundred thirty million, three hundred twenty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 109194193601 218388387202 327582580803 436776774404 655165161606 1310330323212