Search a number
-
+
101210011911 = 3243325971263
BaseRepresentation
bin101111001000010010…
…1100011100100000111
3100200020111111022112200
41132100211203210013
53124234230340121
6114254545445543
710212035623011
oct1362045434407
9320214438480
10101210011911
1139a1745aa48
12177470408b3
13970c3cb018
144c81a391b1
1529755a1a26
hex1790963907

101210011911 has 12 divisors (see below), whose sum is σ = 146529871488. Its totient is φ = 67317511104.

The previous prime is 101210011873. The next prime is 101210011913. The reversal of 101210011911 is 119110012101.

It is not a de Polignac number, because 101210011911 - 27 = 101210011783 is a prime.

It is a super-2 number, since 2×1012100119112 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210011913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12981735 + ... + 12989528.

It is an arithmetic number, because the mean of its divisors is an integer number (12210822624).

Almost surely, 2101210011911 is an apocalyptic number.

101210011911 is a deficient number, since it is larger than the sum of its proper divisors (45319859577).

101210011911 is a wasteful number, since it uses less digits than its factorization.

101210011911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25971702 (or 25971699 counting only the distinct ones).

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

The spelling of 101210011911 in words is "one hundred one billion, two hundred ten million, eleven thousand, nine hundred eleven".

Divisors: 1 3 9 433 1299 3897 25971263 77913789 233741367 11245556879 33736670637 101210011911