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102648450430206 = 2342574507547037
BaseRepresentation
bin10111010101101110110100…
…011011001011010011111110
3111110110002121000001022020000
4113111232310123023103332
5101423243011302231311
61002152014102535130
730423051202310022
oct2725566433132376
9443402530038200
10102648450430206
112a785a6625690a
12b619b5a4374a6
13453792704a915
141b4c2d654c382
15bd01c5e23056
hex5d5bb46cb4fe

102648450430206 has 80 divisors (see below), whose sum is σ = 230955194208816. Its totient is φ = 34075388841984.

The previous prime is 102648450430193. The next prime is 102648450430237. The reversal of 102648450430206 is 602034054846201.

102648450430206 is a `hidden beast` number, since 1 + 0 + 2 + 6 + 4 + 8 + 4 + 5 + 0 + 430 + 206 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 187370920 + ... + 187917956.

Almost surely, 2102648450430206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102648450430206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115477597104408).

102648450430206 is an abundant number, since it is smaller than the sum of its proper divisors (128306743778610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102648450430206 is a wasteful number, since it uses less digits than its factorization.

102648450430206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551815 (or 551806 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 102648450430206 in words is "one hundred two trillion, six hundred forty-eight billion, four hundred fifty million, four hundred thirty thousand, two hundred six".

Divisors: 1 2 3 6 9 18 27 54 81 162 257 514 771 1542 2313 4507 4626 6939 9014 13521 13878 20817 27042 40563 41634 81126 121689 243378 365067 547037 730134 1094074 1158299 1641111 2316598 3282222 3474897 4923333 6949794 9846666 10424691 14769999 20849382 29539998 31274073 44309997 62548146 88619994 93822219 140588509 187644438 281177018 421765527 843531054 1265296581 2465495759 2530593162 3795889743 4930991518 7396487277 7591779486 11387669229 14792974554 22189461831 22775338458 44378923662 66568385493 133136770986 199705156479 399410312958 633632410063 1267264820126 1900897230189 3801794460378 5702691690567 11405383381134 17108075071701 34216150143402 51324225215103 102648450430206