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100100232220 = 22533115120881
BaseRepresentation
bin101110100111001110…
…0000101010000011100
3100120101011020200000011
41131032130011100130
53120001124412340
6113552503213004
710142401635502
oct1351634052034
9316334220004
10100100232220
11394a7a7604a
1217497447164
139593504b51
144bb84b2672
15290ce380ea
hex174e70541c

100100232220 has 24 divisors (see below), whose sum is σ = 210845578608. Its totient is φ = 39919123200.

The previous prime is 100100232203. The next prime is 100100232259. The reversal of 100100232220 is 22232001001.

It is a super-2 number, since 2×1001002322202 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100100232220.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7553821 + ... + 7567060.

It is an arithmetic number, because the mean of its divisors is an integer number (8785232442).

Almost surely, 2100100232220 is an apocalyptic number.

100100232220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100100232220 is an abundant number, since it is smaller than the sum of its proper divisors (110745346388).

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

100100232220 is a wasteful number, since it uses less digits than its factorization.

100100232220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15121221 (or 15121219 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 100100232220 its reverse (22232001001), we get a palindrome (122332233221).

The spelling of 100100232220 in words is "one hundred billion, one hundred million, two hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 331 662 1324 1655 3310 6620 15120881 30241762 60483524 75604405 151208810 302417620 5005011611 10010023222 20020046444 25025058055 50050116110 100100232220