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45865161709 = 71963790211
BaseRepresentation
bin101010101101110001…
…101101001111101101
311101101102101121210221
4222231301231033231
51222412440133314
633023053331341
73212403304423
oct525561551755
9141342347727
1045865161709
11184a6762924
128a80196b51
13442c22a553
14231151b113
1512d6887824
hexaadc6d3ed

45865161709 has 4 divisors (see below), whose sum is σ = 45928952640. Its totient is φ = 45801370780.

The previous prime is 45865161689. The next prime is 45865161737. The reversal of 45865161709 is 90716156854.

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 45865161709 - 29 = 45865161197 is a prime.

It is a super-2 number, since 2×458651617092 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45865168709) 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, 31894387 + ... + 31895824.

It is an arithmetic number, because the mean of its divisors is an integer number (11482238160).

Almost surely, 245865161709 is an apocalyptic number.

It is an amenable number.

45865161709 is a deficient number, since it is larger than the sum of its proper divisors (63790931).

45865161709 is an equidigital number, since it uses as much as digits as its factorization.

45865161709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63790930.

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 45865161709 in words is "forty-five billion, eight hundred sixty-five million, one hundred sixty-one thousand, seven hundred nine".

Divisors: 1 719 63790211 45865161709