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20416676417 = 591087318349
BaseRepresentation
bin10011000000111011…
…011100001001000001
31221200212120121211122
4103000323130021001
5313303132121132
613213532122025
71321641612644
oct230073341101
957625517748
1020416676417
1187277551a5
123b59606315
131c04b07927
14db978ba5b
157e7625912
hex4c0edc241

20416676417 has 8 divisors (see below), whose sum is σ = 20781888000. Its totient is φ = 20052103824.

The previous prime is 20416676407. The next prime is 20416676431. The reversal of 20416676417 is 71467661402.

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 20416676417 - 230 = 19342934593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20416676407) 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, 95042 + ... + 223307.

It is an arithmetic number, because the mean of its divisors is an integer number (2597736000).

Almost surely, 220416676417 is an apocalyptic number.

It is an amenable number.

20416676417 is a deficient number, since it is larger than the sum of its proper divisors (365211583).

20416676417 is a wasteful number, since it uses less digits than its factorization.

20416676417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319495.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 20416676417 in words is "twenty billion, four hundred sixteen million, six hundred seventy-six thousand, four hundred seventeen".

Divisors: 1 59 1087 64133 318349 18782591 346045363 20416676417