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64146505101 = 372538233411
BaseRepresentation
bin111011101111011011…
…011111110110001101
320010120110222002102020
4323233123133312031
52022333001130401
645245110120353
74430416203600
oct735733376615
9203513862366
1064146505101
1125228036788
12105226500b9
136083825ac3
143167462337
151a067b6d36
hexeef6dfd8d

64146505101 has 24 divisors (see below), whose sum is σ = 101369768544. Its totient is φ = 35963534880.

The previous prime is 64146505091. The next prime is 64146505117. The reversal of 64146505101 is 10150564146.

It is not a de Polignac number, because 64146505101 - 27 = 64146504973 is a prime.

It is a super-2 number, since 2×641465051012 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64146500101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4108915 + ... + 4124496.

It is an arithmetic number, because the mean of its divisors is an integer number (4223740356).

Almost surely, 264146505101 is an apocalyptic number.

It is an amenable number.

64146505101 is a deficient number, since it is larger than the sum of its proper divisors (37223263443).

64146505101 is a wasteful number, since it uses less digits than its factorization.

64146505101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8233481 (or 8233474 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 64146505101 in words is "sixty-four billion, one hundred forty-six million, five hundred five thousand, one hundred one".

Divisors: 1 3 7 21 49 53 147 159 371 1113 2597 7791 8233411 24700233 57633877 172901631 403437139 436370783 1210311417 1309112349 3054595481 9163786443 21382168367 64146505101