Search a number
-
+
23217051077117 = 203911386489003
BaseRepresentation
bin1010100011101101001000…
…00101010000100111111101
310001012112021012121221010222
411101312210011100213331
511020342010033431432
6121213433243311125
74614243112006052
oct521664405204775
9101175235557128
1023217051077117
11744132907a587
12272b75351b4a5
13cc548789a941
145a39d5a0d029
152a3dde965112
hex151da41509fd

23217051077117 has 4 divisors (see below), whose sum is σ = 23228437568160. Its totient is φ = 23205664586076.

The previous prime is 23217051077111. The next prime is 23217051077137. The reversal of 23217051077117 is 71177015071232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23217051077117 - 214 = 23217051060733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23217051077111) 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, 5693242463 + ... + 5693246540.

It is an arithmetic number, because the mean of its divisors is an integer number (5807109392040).

Almost surely, 223217051077117 is an apocalyptic number.

It is an amenable number.

23217051077117 is a deficient number, since it is larger than the sum of its proper divisors (11386491043).

23217051077117 is a wasteful number, since it uses less digits than its factorization.

23217051077117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11386491042.

The product of its (nonzero) digits is 144060, while the sum is 44.

The spelling of 23217051077117 in words is "twenty-three trillion, two hundred seventeen billion, fifty-one million, seventy-seven thousand, one hundred seventeen".

Divisors: 1 2039 11386489003 23217051077117