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101031202100 = 22521010312021
BaseRepresentation
bin101111000010111101…
…1011100110100110100
3100122210001000211121002
41132011323130310310
53123402441431400
6114225121142432
710204435022423
oct1360573346464
9318701024532
10101031202100
1139935530544
12176b718aa18
1396b1352aba
144c65db12ba
152964a30ed5
hex1785edcd34

101031202100 has 18 divisors (see below), whose sum is σ = 219237708774. Its totient is φ = 40412480800.

The previous prime is 101031202087. The next prime is 101031202121. The reversal of 101031202100 is 1202130101.

It can be written as a sum of positive squares in 3 ways, for example, as 118243876 + 100912958224 = 10874^2 + 317668^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 505155911 + ... + 505156110.

Almost surely, 2101031202100 is an apocalyptic number.

101031202100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101031202100 is an abundant number, since it is smaller than the sum of its proper divisors (118206506674).

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

101031202100 is a wasteful number, since it uses less digits than its factorization.

101031202100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010312035 (or 1010312028 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 101031202100 its reverse (1202130101), we get a palindrome (102233332201).

The spelling of 101031202100 in words is "one hundred one billion, thirty-one million, two hundred two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1010312021 2020624042 4041248084 5051560105 10103120210 20206240420 25257800525 50515601050 101031202100