Search a number
-
+
64100007 = 3271100313
BaseRepresentation
bin1111010010000…
…1011010100111
311110121121200100
43310201122213
5112402200012
610205515143
71405561326
oct364413247
9143547610
1064100007
1133201314
1219572ab3
13103841ca
1487280bd
1559628dc
hex3d216a7

64100007 has 12 divisors (see below), whose sum is σ = 93893904. Its totient is φ = 42131040.

The previous prime is 64099999. The next prime is 64100083. The reversal of 64100007 is 70000146.

It is not a de Polignac number, because 64100007 - 23 = 64099999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64100087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49518 + ... + 50795.

It is an arithmetic number, because the mean of its divisors is an integer number (7824492).

Almost surely, 264100007 is an apocalyptic number.

64100007 is a deficient number, since it is larger than the sum of its proper divisors (29793897).

64100007 is a wasteful number, since it uses less digits than its factorization.

64100007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100390 (or 100387 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 64100007 is about 8006.2479976578. The cubic root of 64100007 is about 400.2082394886.

The spelling of 64100007 in words is "sixty-four million, one hundred thousand, seven".

Divisors: 1 3 9 71 213 639 100313 300939 902817 7122223 21366669 64100007