Search a number
-
+
20455133306315 = 5379104911818713
BaseRepresentation
bin1001010011010100101001…
…11101000101110111001011
32200102111021102002000201112
410221222110331011313023
510140114103111300230
6111300543012240535
74210556162214161
oct451522475056713
980374242060645
1020455133306315
116576a7853a4a4
12236441291014b
13b54bac026046
1450a0687d3231
15257141b0dd95
hex129a94f45dcb

20455133306315 has 32 divisors (see below), whose sum is σ = 24658075512000. Its totient is φ = 16289694812160.

The previous prime is 20455133306287. The next prime is 20455133306347. The reversal of 20455133306315 is 51360333155402.

It is not a de Polignac number, because 20455133306315 - 210 = 20455133305291 is a prime.

It is a super-3 number, since 3×204551333063153 (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2347652399 + ... + 2347661111.

It is an arithmetic number, because the mean of its divisors is an integer number (770564859750).

Almost surely, 220455133306315 is an apocalyptic number.

20455133306315 is a deficient number, since it is larger than the sum of its proper divisors (4202942205685).

20455133306315 is a wasteful number, since it uses less digits than its factorization.

20455133306315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11327.

The product of its (nonzero) digits is 486000, while the sum is 41.

The spelling of 20455133306315 in words is "twenty trillion, four hundred fifty-five billion, one hundred thirty-three million, three hundred six thousand, three hundred fifteen".

Divisors: 1 5 379 1049 1181 1895 5245 5905 8713 43565 397571 447599 1238869 1987855 2237995 3302227 6194345 9139937 10290053 16511135 45699685 51450265 469531351 2347656755 3464036123 3899930087 10794265597 17320180615 19499650435 53971327985 4091026661263 20455133306315