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1200553050053 = 7171507578579
BaseRepresentation
bin10001011110000110100…
…010011011111111000101
311020202211121100222000202
4101132012202123333011
5124132213040100203
62315305414220245
7152510552356610
oct21360642337705
94222747328022
101200553050053
11423173997855
12174812954685
138929a055566
144216db6d177
1521368532388
hex1178689bfc5

1200553050053 has 4 divisors (see below), whose sum is σ = 1372060628640. Its totient is φ = 1029045471468.

The previous prime is 1200553050017. The next prime is 1200553050061. The reversal of 1200553050053 is 3500503550021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1200553050053 - 220 = 1200552001477 is a prime.

It is a super-2 number, since 2×12005530500532 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200553049998 and 1200553050025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200553050553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85753789283 + ... + 85753789296.

It is an arithmetic number, because the mean of its divisors is an integer number (343015157160).

Almost surely, 21200553050053 is an apocalyptic number.

It is an amenable number.

1200553050053 is a deficient number, since it is larger than the sum of its proper divisors (171507578587).

1200553050053 is an equidigital number, since it uses as much as digits as its factorization.

1200553050053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171507578586.

The product of its (nonzero) digits is 11250, while the sum is 29.

The spelling of 1200553050053 in words is "one trillion, two hundred billion, five hundred fifty-three million, fifty thousand, fifty-three".

Divisors: 1 7 171507578579 1200553050053