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102320344354 = 251160172177
BaseRepresentation
bin101111101001011000…
…1001000110100100010
3100210002212210001022111
41133102301020310202
53134023002004404
6115001052025534
710251410401564
oct1372261106442
9323085701274
10102320344354
113a437192168
12179b6a622aa
139858458977
144d492a7334
1529dccc9104
hex17d2c48d22

102320344354 has 4 divisors (see below), whose sum is σ = 153480516534. Its totient is φ = 51160172176.

The previous prime is 102320344351. The next prime is 102320344363. The reversal of 102320344354 is 453443023201.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 57195114025 + 45125230329 = 239155^2 + 212427^2 .

It is a super-2 number, since 2×1023203443542 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102320344351) 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 as a sum of consecutive naturals, namely, 25580086087 + ... + 25580086090.

Almost surely, 2102320344354 is an apocalyptic number.

102320344354 is a deficient number, since it is larger than the sum of its proper divisors (51160172180).

102320344354 is an equidigital number, since it uses as much as digits as its factorization.

102320344354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51160172179.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 102320344354 its reverse (453443023201), we get a palindrome (555763367555).

The spelling of 102320344354 in words is "one hundred two billion, three hundred twenty million, three hundred forty-four thousand, three hundred fifty-four".

Divisors: 1 2 51160172177 102320344354