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85881471557701 = 715031201089067
BaseRepresentation
bin10011100001101111010110…
…100110101110000001000101
3102021002012002102012211200211
4103201233112212232001011
542224040223204321301
6502353223043435421
724042505632364021
oct2341572646560105
9367065072184624
1085881471557701
1125401144850566
1297704a3085b71
1338bc784b4bc51
14172c984a59381
159dde92be8051
hex4e1bd69ae045

85881471557701 has 4 divisors (see below), whose sum is σ = 85882672718272. Its totient is φ = 85880270397132.

The previous prime is 85881471557669. The next prime is 85881471557837. The reversal of 85881471557701 is 10775517418858.

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 85881471557701 - 25 = 85881471557669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600473031 + ... + 600616036.

It is an arithmetic number, because the mean of its divisors is an integer number (21470668179568).

Almost surely, 285881471557701 is an apocalyptic number.

It is an amenable number.

85881471557701 is a deficient number, since it is larger than the sum of its proper divisors (1201160571).

85881471557701 is a wasteful number, since it uses less digits than its factorization.

85881471557701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201160570.

The product of its (nonzero) digits is 87808000, while the sum is 67.

The spelling of 85881471557701 in words is "eighty-five trillion, eight hundred eighty-one billion, four hundred seventy-one million, five hundred fifty-seven thousand, seven hundred one".

Divisors: 1 71503 1201089067 85881471557701