Search a number
-
+
101265081 = 3169719891
BaseRepresentation
bin1100000100100…
…10111010111001
321001112210120120
412002102322321
5201410440311
614014243453
72336511321
oct602227271
9231483516
10101265081
1152185a55
1229ab6589
1317c97588
14d640281
158d54706
hex6092eb9

101265081 has 8 divisors (see below), whose sum is σ = 135106464. Its totient is φ = 67466880.

The previous prime is 101265061. The next prime is 101265083. The reversal of 101265081 is 180562101.

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

It is not a de Polignac number, because 101265081 - 222 = 97070777 is a prime.

It is a super-2 number, since 2×1012650812 = 20509233259873122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101265083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4855 + ... + 15036.

It is an arithmetic number, because the mean of its divisors is an integer number (16888308).

Almost surely, 2101265081 is an apocalyptic number.

It is an amenable number.

101265081 is a deficient number, since it is larger than the sum of its proper divisors (33841383).

101265081 is a wasteful number, since it uses less digits than its factorization.

101265081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21591.

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 101265081 is about 10063.0552517613. The cubic root of 101265081 is about 466.1080155706.

The spelling of 101265081 in words is "one hundred one million, two hundred sixty-five thousand, eighty-one".

Divisors: 1 3 1697 5091 19891 59673 33755027 101265081