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23078689653 = 337207916123
BaseRepresentation
bin10101011111100110…
…001101101101110101
32012120101121220111110
4111133212031231311
5334231121032103
614334024225233
71444624424325
oct253746155565
965511556443
1023078689653
119873356138
12458100b219
13223a480ca6
14118d133285
159011a5403
hex55f98db75

23078689653 has 8 divisors (see below), whose sum is σ = 31603250848. Its totient is φ = 14969960784.

The previous prime is 23078689649. The next prime is 23078689661. The reversal of 23078689653 is 35698687032.

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

It is not a de Polignac number, because 23078689653 - 22 = 23078689649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23078689593 and 23078689602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23078639653) 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, 103957951 + ... + 103958172.

It is an arithmetic number, because the mean of its divisors is an integer number (3950406356).

Almost surely, 223078689653 is an apocalyptic number.

It is an amenable number.

23078689653 is a deficient number, since it is larger than the sum of its proper divisors (8524561195).

23078689653 is a wasteful number, since it uses less digits than its factorization.

23078689653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207916163.

The product of its (nonzero) digits is 13063680, while the sum is 57.

The spelling of 23078689653 in words is "twenty-three billion, seventy-eight million, six hundred eighty-nine thousand, six hundred fifty-three".

Divisors: 1 3 37 111 207916123 623748369 7692896551 23078689653