Search a number
-
+
102312003302021 = 1731375247038479
BaseRepresentation
bin10111010000110101011110…
…100111001111001010000101
3111102020221011102102022212102
4113100311132213033022011
5101402234440321131041
61001333252505201445
730356540551021412
oct2720653647171205
9442227142368772
10102312003302021
112a666305660777
12b584902a90285
134511c99258696
141b39cdaa41109
15bc6583b3009b
hex5d0d5e9cf285

102312003302021 has 16 divisors (see below), whose sum is σ = 114847178250240. Its totient is φ = 90668824899840.

The previous prime is 102312003302009. The next prime is 102312003302189. The reversal of 102312003302021 is 120203300213201.

It is a cyclic number.

It is not a de Polignac number, because 102312003302021 - 214 = 102312003285637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102312003301984 and 102312003302002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102312003502021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2623499741 + ... + 2623538738.

It is an arithmetic number, because the mean of its divisors is an integer number (7177948640640).

Almost surely, 2102312003302021 is an apocalyptic number.

It is an amenable number.

102312003302021 is a deficient number, since it is larger than the sum of its proper divisors (12535174948219).

102312003302021 is a wasteful number, since it uses less digits than its factorization.

102312003302021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5247038564.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 102312003302021 its reverse (120203300213201), we get a palindrome (222515303515222).

The spelling of 102312003302021 in words is "one hundred two trillion, three hundred twelve billion, three million, three hundred two thousand, twenty-one".

Divisors: 1 17 31 37 527 629 1147 19499 5247038479 89199654143 162658192849 194140423723 2765189278433 3300387203291 6018353135413 102312003302021