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102445035242 = 21179151390359
BaseRepresentation
bin101111101101000110…
…0110010111011101010
3100210102120102000001112
41133122030302323222
53134301412111432
6115021304350322
710254453301064
oct1373214627352
9323376360045
10102445035242
113a4a0608290
1217a307753a2
139878235a64
144d5ba84734
1529e8c097b2
hex17da332eea

102445035242 has 32 divisors (see below), whose sum is σ = 170883993600. Its totient is φ = 45671886000.

The previous prime is 102445035223. The next prime is 102445035257. The reversal of 102445035242 is 242530544201.

It is a junction number, because it is equal to n+sod(n) for n = 102445035199 and 102445035208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67259 + ... + 457617.

It is an arithmetic number, because the mean of its divisors is an integer number (5340124800).

Almost surely, 2102445035242 is an apocalyptic number.

102445035242 is a deficient number, since it is larger than the sum of its proper divisors (68438958358).

102445035242 is a wasteful number, since it uses less digits than its factorization.

102445035242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390602.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 102445035242 its reverse (242530544201), we get a palindrome (344975579443).

The spelling of 102445035242 in words is "one hundred two billion, four hundred forty-five million, thirty-five thousand, two hundred forty-two".

Divisors: 1 2 11 22 79 151 158 302 869 1661 1738 3322 11929 23858 131219 262438 390359 780718 4293949 8587898 30838361 58944209 61676722 117888418 339221971 648386299 678443942 1296772598 4656592511 9313185022 51222517621 102445035242