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100101101001 = 3119091333667
BaseRepresentation
bin101110100111001111…
…1011001010111001001
3100120101012212210202020
41131032133121113021
53120001340213001
6113552533555053
710142412214416
oct1351637312711
9316335783666
10100101101001
11394a8509850
12174977a5a89
13959374a415
144bb865b10d
15290d05a736
hex174e7d95c9

100101101001 has 16 divisors (see below), whose sum is σ = 145618053888. Its totient is φ = 60660478800.

The previous prime is 100101100997. The next prime is 100101101059.

100101101001 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 100101101001 - 22 = 100101100997 is a prime.

It is a super-2 number, since 2×1001011010012 (a number of 23 digits) contains 22 as substring.

100101101001 is a strobogrammatic number because it is the same when read upside-down.

It is not an unprimeable number, because it can be changed into a prime (100101105001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133170 + ... + 466836.

It is an arithmetic number, because the mean of its divisors is an integer number (9101128368).

Almost surely, 2100101101001 is an apocalyptic number.

100101101001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100101101001 is a deficient number, since it is larger than the sum of its proper divisors (45516952887).

100101101001 is a wasteful number, since it uses less digits than its factorization.

100101101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342772.

The product of its (nonzero) digits is 1, while the sum is 6.

It can be divided in two parts, 100101 and 101001, that multiplied together give a palindrome (10110301101).

The spelling of 100101101001 in words is "one hundred billion, one hundred one million, one hundred one thousand, one".

Divisors: 1 3 11 33 9091 27273 100001 300003 333667 1001001 3670337 11011011 3033366697 9100100091 33367033667 100101101001