Search a number
-
+
513216303045025 = 5247942857311319
BaseRepresentation
bin111010010110001000111101…
…1011011111001100110100001
32111022010222222120102100121211
41310230101323123321212201
51014232013442034420100
65015304151555150121
7213046440264324646
oct16454217333714641
92438128876370554
10513216303045025
111395878a2602798
12496889115a5341
131904a12214a278
1490a3b3185bdcd
153e4ee019111ba
hex1d2c47b6f99a1

513216303045025 has 12 divisors (see below), whose sum is σ = 637716792441600. Its totient is φ = 409715896200080.

The previous prime is 513216303045007. The next prime is 513216303045049. The reversal of 513216303045025 is 520540303612315.

It is not a de Polignac number, because 513216303045025 - 25 = 513216303044993 is a prime.

It is a super-2 number, since 2×5132163030450252 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21428643685 + ... + 21428667634.

It is an arithmetic number, because the mean of its divisors is an integer number (53143066036800).

Almost surely, 2513216303045025 is an apocalyptic number.

It is an amenable number.

513216303045025 is a deficient number, since it is larger than the sum of its proper divisors (124500489396575).

513216303045025 is a wasteful number, since it uses less digits than its factorization.

513216303045025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42857311808 (or 42857311803 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 513216303045025 in words is "five hundred thirteen trillion, two hundred sixteen billion, three hundred three million, forty-five thousand, twenty-five".

Divisors: 1 5 25 479 2395 11975 42857311319 214286556595 1071432782975 20528652121801 102643260609005 513216303045025