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64068151 = 743212851
BaseRepresentation
bin1111010001100…
…1101000110111
311110112222222111
43310121220313
5112400140101
610205111451
71405366420
oct364315067
9143488874
1064068151
113318a394
1219558587
1310372864
14871a647
155958251
hex3d19a37

64068151 has 8 divisors (see below), whose sum is σ = 74923904. Its totient is φ = 53638200.

The previous prime is 64068119. The next prime is 64068157. The reversal of 64068151 is 15186046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64068151 - 25 = 64068119 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 (64068157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106125 + ... + 106726.

It is an arithmetic number, because the mean of its divisors is an integer number (9365488).

Almost surely, 264068151 is an apocalyptic number.

64068151 is a deficient number, since it is larger than the sum of its proper divisors (10855753).

64068151 is a wasteful number, since it uses less digits than its factorization.

64068151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212901.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 64068151 is about 8004.2583041778. The cubic root of 64068151 is about 400.1419308831.

The spelling of 64068151 in words is "sixty-four million, sixty-eight thousand, one hundred fifty-one".

Divisors: 1 7 43 301 212851 1489957 9152593 64068151