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1331313002412 = 223321833447247
BaseRepresentation
bin10011010111111000011…
…100000100011110101100
311201021100111021210022020
4103113320130010132230
5133303012112034122
62455332521550140
7165120114543531
oct23277034043654
94637314253266
101331313002412
11473674534388
12196026045350
13987084ca833
144861613ad88
152496ce5bc5c
hex135f87047ac

1331313002412 has 24 divisors (see below), whose sum is σ = 3106494429696. Its totient is φ = 443757083088.

The previous prime is 1331313002407. The next prime is 1331313002417. The reversal of 1331313002412 is 2142003131331.

It is an interprime number because it is at equal distance from previous prime (1331313002407) and next prime (1331313002417).

It is not an unprimeable number, because it can be changed into a prime (1331313002417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1337428 + ... + 2109819.

It is an arithmetic number, because the mean of its divisors is an integer number (129437267904).

Almost surely, 21331313002412 is an apocalyptic number.

1331313002412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1331313002412 is an abundant number, since it is smaller than the sum of its proper divisors (1775181427284).

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

1331313002412 is a wasteful number, since it uses less digits than its factorization.

1331313002412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3479437 (or 3479435 counting only the distinct ones).

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

Adding to 1331313002412 its reverse (2142003131331), we get a palindrome (3473316133743).

The spelling of 1331313002412 in words is "one trillion, three hundred thirty-one billion, three hundred thirteen million, two thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 32183 64366 96549 128732 193098 386196 3447247 6894494 10341741 13788988 20683482 41366964 110942750201 221885500402 332828250603 443771000804 665656501206 1331313002412