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64460750461 = 292512203711
BaseRepresentation
bin111100000010001010…
…001111111001111101
320011101101021102000021
4330002022033321331
52024003423003321
645340213332141
74441253224042
oct740212177175
9204341242007
1064460750461
112537945a998
12105ab937051
1361039708c3
1431970a31c9
151a2418b941
hexf0228fe7d

64460750461 has 4 divisors (see below), whose sum is σ = 64462983424. Its totient is φ = 64458517500.

The previous prime is 64460750449. The next prime is 64460750479. The reversal of 64460750461 is 16405706446.

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 a de Polignac number, because none of the positive numbers 2k-64460750461 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 (64460750441) 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, 1072605 + ... + 1131106.

It is an arithmetic number, because the mean of its divisors is an integer number (16115745856).

Almost surely, 264460750461 is an apocalyptic number.

It is an amenable number.

64460750461 is a deficient number, since it is larger than the sum of its proper divisors (2232963).

64460750461 is a wasteful number, since it uses less digits than its factorization.

64460750461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232962.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 64460750461 in words is "sixty-four billion, four hundred sixty million, seven hundred fifty thousand, four hundred sixty-one".

Divisors: 1 29251 2203711 64460750461