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100112010220 = 22517328934107
BaseRepresentation
bin101110100111100100…
…1000000101111101100
3100120101222102001101101
41131033021000233230
53120012133311340
6113554003452444
710142604021625
oct1351711005754
9316358361341
10100112010220
1139503690032
121749b387124
139595a99a91
144bb9c9aa4c
15290deb2c9a
hex174f240bec

100112010220 has 24 divisors (see below), whose sum is σ = 211450461264. Its totient is φ = 39813329856.

The previous prime is 100112010217. The next prime is 100112010253. The reversal of 100112010220 is 22010211001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 100112010197 and 100112010206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14463594 + ... + 14470513.

It is an arithmetic number, because the mean of its divisors is an integer number (8810435886).

Almost surely, 2100112010220 is an apocalyptic number.

100112010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100112010220 is an abundant number, since it is smaller than the sum of its proper divisors (111338451044).

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

100112010220 is a wasteful number, since it uses less digits than its factorization.

100112010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28934289 (or 28934287 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100112010220 its reverse (22010211001), we get a palindrome (122122221221).

The spelling of 100112010220 in words is "one hundred billion, one hundred twelve million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 173 346 692 865 1730 3460 28934107 57868214 115736428 144670535 289341070 578682140 5005600511 10011201022 20022402044 25028002555 50056005110 100112010220