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64135050245 = 579718891031
BaseRepresentation
bin111011101110101111…
…110011010000000101
320010112200102010022022
4323232233303100011
52022322033101440
645244020412525
74430216634530
oct735657632005
9203480363268
1064135050245
1125221622562
121051a847145
136081344c96
143165b1da17
151a057a2cb5
hexeeebf3405

64135050245 has 16 divisors (see below), whose sum is σ = 88863414528. Its totient is φ = 43524933120.

The previous prime is 64135050229. The next prime is 64135050263. The reversal of 64135050245 is 54205053146.

It is not a de Polignac number, because 64135050245 - 24 = 64135050229 is a prime.

It is a super-2 number, since 2×641350502452 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9442121 + ... + 9448910.

It is an arithmetic number, because the mean of its divisors is an integer number (5553963408).

Almost surely, 264135050245 is an apocalyptic number.

It is an amenable number.

64135050245 is a deficient number, since it is larger than the sum of its proper divisors (24728364283).

64135050245 is a wasteful number, since it uses less digits than its factorization.

64135050245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18891140.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 64135050245 in words is "sixty-four billion, one hundred thirty-five million, fifty thousand, two hundred forty-five".

Divisors: 1 5 7 35 97 485 679 3395 18891031 94455155 132237217 661186085 1832430007 9162150035 12827010049 64135050245