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12697754093 = 191076245821
BaseRepresentation
bin10111101001101100…
…00101100111101101
31012202221001202000122
423310312011213231
5202001111112333
65455552534325
7626443062143
oct136466054755
935687052018
1012697754093
115426607652
1225645513a5
13127489887b
1488656d593
154e4b4c798
hex2f4d859ed

12697754093 has 8 divisors (see below), whose sum is σ = 13490975520. Its totient is φ = 11917024560.

The previous prime is 12697754077. The next prime is 12697754129. The reversal of 12697754093 is 39045779621.

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

It is a cyclic number.

It is not a de Polignac number, because 12697754093 - 24 = 12697754077 is a prime.

It is a super-2 number, since 2×126977540932 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12697759093) 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, 3120878 + ... + 3124943.

It is an arithmetic number, because the mean of its divisors is an integer number (1686371940).

Almost surely, 212697754093 is an apocalyptic number.

It is an amenable number.

12697754093 is a deficient number, since it is larger than the sum of its proper divisors (793221427).

12697754093 is a wasteful number, since it uses less digits than its factorization.

12697754093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6245947.

The product of its (nonzero) digits is 2857680, while the sum is 53.

The spelling of 12697754093 in words is "twelve billion, six hundred ninety-seven million, seven hundred fifty-four thousand, ninety-three".

Divisors: 1 19 107 2033 6245821 118670599 668302847 12697754093