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10120110100 = 2252157644593
BaseRepresentation
bin10010110110011010…
…01010000000010100
3222010021202212012121
421123031022000110
5131211222010400
64352113025324
7505533342112
oct113315120024
928107685177
1010120110100
1143235a1561
121b65255244
13c53852539
146c00aaab2
153e36d621a
hex25b34a014

10120110100 has 36 divisors (see below), whose sum is σ = 22100549884. Its totient is φ = 4022254080.

The previous prime is 10120110097. The next prime is 10120110109. The reversal of 10120110100 is 101102101.

It can be written as a sum of positive squares in 6 ways, for example, as 3358666116 + 6761443984 = 57954^2 + 82228^2 .

It is a super-2 number, since 2×101201101002 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120110109) 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 11 ways as a sum of consecutive naturals, for example, 306597 + ... + 337996.

Almost surely, 210120110100 is an apocalyptic number.

10120110100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120110100 is an abundant number, since it is smaller than the sum of its proper divisors (11980439784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10120110100 is a wasteful number, since it uses less digits than its factorization.

10120110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644764 (or 644757 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 10120110100 its reverse (101102101), we get a palindrome (10221212201).

The spelling of 10120110100 in words is "ten billion, one hundred twenty million, one hundred ten thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 157 314 628 785 1570 3140 3925 7850 15700 644593 1289186 2578372 3222965 6445930 12891860 16114825 32229650 64459300 101201101 202402202 404804404 506005505 1012011010 2024022020 2530027525 5060055050 10120110100