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102374643242 = 2192694069559
BaseRepresentation
bin101111101011000000…
…0010001011000101010
3100210020122221201101102
41133112000101120222
53134130402040432
6115010311521402
710252640052434
oct1372600213052
9323218851342
10102374643242
113a4648a9783
1217a11089262
13986678a9a1
144d5259d654
1529e2952962
hex17d601162a

102374643242 has 8 divisors (see below), whose sum is σ = 161644173600. Its totient is φ = 48493252044.

The previous prime is 102374643233. The next prime is 102374643247. The reversal of 102374643242 is 242346473201.

102374643242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 2694069559 = 102374643242 / (1 + 0 + 2 + 3 + 7 + 4 + 6 + 4 + 3 + 2 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 102374643196 and 102374643205.

It is not an unprimeable number, because it can be changed into a prime (102374643247) 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, 1347034742 + ... + 1347034817.

It is an arithmetic number, because the mean of its divisors is an integer number (20205521700).

Almost surely, 2102374643242 is an apocalyptic number.

102374643242 is a deficient number, since it is larger than the sum of its proper divisors (59269530358).

102374643242 is a wasteful number, since it uses less digits than its factorization.

102374643242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694069580.

The product of its (nonzero) digits is 193536, while the sum is 38.

The spelling of 102374643242 in words is "one hundred two billion, three hundred seventy-four million, six hundred forty-three thousand, two hundred forty-two".

Divisors: 1 2 19 38 2694069559 5388139118 51187321621 102374643242