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13321750993 = 311732484011
BaseRepresentation
bin11000110100000100…
…11100100111010001
31021101102020001211221
430122002130213101
5204240332012433
610041523205041
7651061005115
oct143202344721
937342201757
1013321750993
115716865771
1226b9516781
131343c46bc5
149053a1745
1552e80a72d
hex31a09c9d1

13321750993 has 8 divisors (see below), whose sum is σ = 13830978816. Its totient is φ = 12817491600.

The previous prime is 13321750973. The next prime is 13321750997. The reversal of 13321750993 is 39905712331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13321750993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13321750997) 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, 1236643 + ... + 1247368.

It is an arithmetic number, because the mean of its divisors is an integer number (1728872352).

Almost surely, 213321750993 is an apocalyptic number.

It is an amenable number.

13321750993 is a deficient number, since it is larger than the sum of its proper divisors (509227823).

13321750993 is a wasteful number, since it uses less digits than its factorization.

13321750993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484215.

The product of its (nonzero) digits is 153090, while the sum is 43.

The spelling of 13321750993 in words is "thirteen billion, three hundred twenty-one million, seven hundred fifty thousand, nine hundred ninety-three".

Divisors: 1 31 173 5363 2484011 77004341 429733903 13321750993