Search a number
-
+
20694296838527 = 132127964184729
BaseRepresentation
bin1001011010010010001000…
…01101100100000101111111
32201021100121010110021121222
410231021010031210011333
510203023404442313102
6112002455000543555
74234053652541324
oct455110415440577
981240533407558
1020694296838527
116659447080044
1223a283a181bbb
13b71605016a00
14517875d42b4b
1525d48d3dcaa2
hex12d24436417f

20694296838527 has 12 divisors (see below), whose sum is σ = 22585063115520. Its totient is φ = 18952015013568.

The previous prime is 20694296838517. The next prime is 20694296838541. The reversal of 20694296838527 is 72583869249602.

It is not a de Polignac number, because 20694296838527 - 26 = 20694296838463 is a prime.

It is a super-2 number, since 2×206942968385272 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20694296838517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 482070902 + ... + 482113827.

It is an arithmetic number, because the mean of its divisors is an integer number (1882088592960).

Almost surely, 220694296838527 is an apocalyptic number.

20694296838527 is a deficient number, since it is larger than the sum of its proper divisors (1890766276993).

20694296838527 is a wasteful number, since it uses less digits than its factorization.

20694296838527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964184882 (or 964184869 counting only the distinct ones).

The product of its (nonzero) digits is 627056640, while the sum is 71.

The spelling of 20694296838527 in words is "twenty trillion, six hundred ninety-four billion, two hundred ninety-six million, eight hundred thirty-eight thousand, five hundred twenty-seven".

Divisors: 1 13 127 169 1651 21463 964184729 12534401477 122451460583 162947219201 1591868987579 20694296838527