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102340024442 = 2193265129597
BaseRepresentation
bin101111101001111110…
…0001101100001111010
3100210011020210220022122
41133103330031201322
53134043021240232
6115003033521242
710252036566125
oct1372374154172
9323136726278
10102340024442
113a4473040a7
1217a01573222
13985c5595a6
144d4bb4b3bc
1529de8b5312
hex17d3f0d87a

102340024442 has 8 divisors (see below), whose sum is σ = 154305426036. Its totient is φ = 50904882432.

The previous prime is 102340024433. The next prime is 102340024447. The reversal of 102340024442 is 244420043201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 87841697161 + 14498327281 = 296381^2 + 120409^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1023400244422 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102340024447) 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, 132564413 + ... + 132565184.

Almost surely, 2102340024442 is an apocalyptic number.

102340024442 is a deficient number, since it is larger than the sum of its proper divisors (51965401594).

102340024442 is a wasteful number, since it uses less digits than its factorization.

102340024442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265129792.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 102340024442 its reverse (244420043201), we get a palindrome (346760067643).

The spelling of 102340024442 in words is "one hundred two billion, three hundred forty million, twenty-four thousand, four hundred forty-two".

Divisors: 1 2 193 386 265129597 530259194 51170012221 102340024442