Search a number
-
+
101207930901 = 3711239829961
BaseRepresentation
bin101111001000001110…
…1100111100000010101
3100200020100120120221020
41132100131213200111
53124233212242101
6114254433111353
710212012134640
oct1362035474025
9320210516836
10101207930901
1139a16269500
12177463b8559
13970bb4ca5c
144c81656a57
1529752e0136
hex1790767815

101207930901 has 24 divisors (see below), whose sum is σ = 169516318272. Its totient is φ = 52575547200.

The previous prime is 101207930869. The next prime is 101207930909. The reversal of 101207930901 is 109039702101.

It is not a de Polignac number, because 101207930901 - 25 = 101207930869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101207930909) 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, 19912440 + ... + 19917521.

It is an arithmetic number, because the mean of its divisors is an integer number (7063179928).

Almost surely, 2101207930901 is an apocalyptic number.

101207930901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101207930901 is a deficient number, since it is larger than the sum of its proper divisors (68308387371).

101207930901 is a wasteful number, since it uses less digits than its factorization.

101207930901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39829993 (or 39829982 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 33.

The spelling of 101207930901 in words is "one hundred one billion, two hundred seven million, nine hundred thirty thousand, nine hundred one".

Divisors: 1 3 7 11 21 33 77 121 231 363 847 2541 39829961 119489883 278809727 438129571 836429181 1314388713 3066906997 4819425281 9200720991 14458275843 33735976967 101207930901