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1240623550053 = 32280149213517
BaseRepresentation
bin10010000011011010111…
…011010000111001100101
311101121021012002021100100
4102003122323100321211
5130311244112100203
62345533512134313
7155426544116016
oct22033273207145
94347235067310
101240623550053
11439166718558
12180536397399
138ccb48c00a4
144409184d00d
15224112e2ea3
hex120daed0e65

1240623550053 has 12 divisors (see below), whose sum is σ = 1792651606668. Its totient is φ = 826787068800.

The previous prime is 1240623550051. The next prime is 1240623550091. The reversal of 1240623550053 is 3500553260421.

1240623550053 is a `hidden beast` number, since 1 + 2 + 40 + 62 + 3 + 5 + 500 + 53 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 289565600769 + 951057949284 = 538113^2 + 975222^2 .

It is not a de Polignac number, because 1240623550053 - 21 = 1240623550051 is a prime.

It is a super-2 number, since 2×12406235500532 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240623550051) 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, 24581550 + ... + 24631967.

It is an arithmetic number, because the mean of its divisors is an integer number (149387633889).

Almost surely, 21240623550053 is an apocalyptic number.

It is an amenable number.

1240623550053 is a deficient number, since it is larger than the sum of its proper divisors (552028056615).

1240623550053 is a wasteful number, since it uses less digits than its factorization.

1240623550053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49216324 (or 49216321 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 1240623550053 in words is "one trillion, two hundred forty billion, six hundred twenty-three million, five hundred fifty thousand, fifty-three".

Divisors: 1 3 9 2801 8403 25209 49213517 147640551 442921653 137847061117 413541183351 1240623550053