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64160400001 = 113995628599
BaseRepresentation
bin111011110000010000…
…100000001010000001
320010121110010000122011
4323300100200022001
52022400030300001
645250324012521
74430645254525
oct736020401201
9203543100564
1064160400001
1125234967175
1210527231141
13608667c439
14316923bd85
151a07b0dd51
hexef0420281

64160400001 has 4 divisors (see below), whose sum is σ = 64166040000. Its totient is φ = 64154760004.

The previous prime is 64160399999. The next prime is 64160400011. The reversal of 64160400001 is 10000406146.

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 64160400001 - 21 = 64160399999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64160400011) 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, 2802901 + ... + 2825698.

It is an arithmetic number, because the mean of its divisors is an integer number (16041510000).

Almost surely, 264160400001 is an apocalyptic number.

It is an amenable number.

64160400001 is a deficient number, since it is larger than the sum of its proper divisors (5639999).

64160400001 is a wasteful number, since it uses less digits than its factorization.

64160400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5639998.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 64160400001 its reverse (10000406146), we get a palindrome (74160806147).

The spelling of 64160400001 in words is "sixty-four billion, one hundred sixty million, four hundred thousand, one".

Divisors: 1 11399 5628599 64160400001