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102213103 = 195379637
BaseRepresentation
bin1100001011110…
…10010111101111
321010022222000111
412011322113233
5202131304403
614050440451
72350540246
oct605722757
9233288014
10102213103
1152773243
122a293127
1318239c35
14d80995d
158e9056d
hex617a5ef

102213103 has 4 divisors (see below), whose sum is σ = 107592760. Its totient is φ = 96833448.

The previous prime is 102213101. The next prime is 102213113. The reversal of 102213103 is 301312201.

Adding to 102213103 its reverse (301312201), we get a palindrome (403525304).

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 102213103 - 21 = 102213101 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 (102213101) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2689800 + ... + 2689837.

It is an arithmetic number, because the mean of its divisors is an integer number (26898190).

Almost surely, 2102213103 is an apocalyptic number.

102213103 is a deficient number, since it is larger than the sum of its proper divisors (5379657).

102213103 is an equidigital number, since it uses as much as digits as its factorization.

102213103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5379656.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 102213103 is about 10110.0496042304. The cubic root of 102213103 is about 467.5580344895.

The spelling of 102213103 in words is "one hundred two million, two hundred thirteen thousand, one hundred three".

Divisors: 1 19 5379637 102213103