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102300001213 = 178357375211
BaseRepresentation
bin101111101000110001…
…1100010001110111101
3100210001110111111202211
41133101203202032331
53134002300014323
6114555044020421
710251042443254
oct1372143421675
9323043444684
10102300001213
113a426758053
12179b0091711
1398541852c7
144d466cd79b
1529db10b70d
hex17d18e23bd

102300001213 has 4 divisors (see below), whose sum is σ = 102357378208. Its totient is φ = 102242624220.

The previous prime is 102300001211. The next prime is 102300001231. The reversal of 102300001213 is 312100003201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102300001213 - 21 = 102300001211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102300001193 and 102300001202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102300001211) 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, 28685823 + ... + 28689388.

It is an arithmetic number, because the mean of its divisors is an integer number (25589344552).

Almost surely, 2102300001213 is an apocalyptic number.

It is an amenable number.

102300001213 is a deficient number, since it is larger than the sum of its proper divisors (57376995).

102300001213 is an equidigital number, since it uses as much as digits as its factorization.

102300001213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57376994.

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

Adding to 102300001213 its reverse (312100003201), we get a palindrome (414400004414).

The spelling of 102300001213 in words is "one hundred two billion, three hundred million, one thousand, two hundred thirteen".

Divisors: 1 1783 57375211 102300001213