Search a number
-
+
2155502012053 = 131095419280711
BaseRepresentation
bin11111010111011101111…
…011101000011010010101
321122001201122022112110211
4133113131323220122111
5240303432003341203
64330120212445421
7311505230540545
oct37273573503225
97561648275424
102155502012053
11761163768035
122a9901319871
13128355980260
1476480c5d325
153b109b27c6d
hex1f5ddee8695

2155502012053 has 16 divisors (see below), whose sum is σ = 2343046921600. Its totient is φ = 1971069266880.

The previous prime is 2155502012047. The next prime is 2155502012113. The reversal of 2155502012053 is 3502102055512.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2155502012053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155502012033) 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, 7538368 + ... + 7819078.

It is an arithmetic number, because the mean of its divisors is an integer number (146440432600).

Almost surely, 22155502012053 is an apocalyptic number.

It is an amenable number.

2155502012053 is a deficient number, since it is larger than the sum of its proper divisors (187544909547).

2155502012053 is a wasteful number, since it uses less digits than its factorization.

2155502012053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286252.

The product of its (nonzero) digits is 15000, while the sum is 31.

Adding to 2155502012053 its reverse (3502102055512), we get a palindrome (5657604067565).

The spelling of 2155502012053 in words is "two trillion, one hundred fifty-five billion, five hundred two million, twelve thousand, fifty-three".

Divisors: 1 13 109 1417 5419 70447 280711 590671 3649243 7678723 30597499 397767487 1521172909 19775247817 165807847081 2155502012053