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100212220103 = 166760115309
BaseRepresentation
bin101110101010100011…
…1010010000011000111
3100120122221222020111112
41131111013102003013
53120213312020403
6114011543355235
710145231550002
oct1352507220307
9316587866445
10100212220103
1139555205216
1217508a52b1b
1395b0784c78
144bc9304539
152917ba99d8
hex17551d20c7

100212220103 has 4 divisors (see below), whose sum is σ = 100272337080. Its totient is φ = 100152103128.

The previous prime is 100212220051. The next prime is 100212220133. The reversal of 100212220103 is 301022212001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100212220103 - 28 = 100212219847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212220133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30055988 + ... + 30059321.

It is an arithmetic number, because the mean of its divisors is an integer number (25068084270).

Almost surely, 2100212220103 is an apocalyptic number.

100212220103 is a deficient number, since it is larger than the sum of its proper divisors (60116977).

100212220103 is an equidigital number, since it uses as much as digits as its factorization.

100212220103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60116976.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 100212220103 its reverse (301022212001), we get a palindrome (401234432104).

The spelling of 100212220103 in words is "one hundred billion, two hundred twelve million, two hundred twenty thousand, one hundred three".

Divisors: 1 1667 60115309 100212220103