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451555211205053 = 1992269121664347
BaseRepresentation
bin110011010101011111110001…
…1111101011101100110111101
32012012211020221001200100001122
41212222333203331131212331
5433141240033032030203
64240213333353520325
7164053534040445434
oct14652774375354675
92165736831610048
10451555211205053
1112097454278365a
124278a5127130a5
13164c6620964117
147d71562d6c11b
153730ec2253538
hex19aafe3f5d9bd

451555211205053 has 4 divisors (see below), whose sum is σ = 453824332869600. Its totient is φ = 449286089540508.

The previous prime is 451555211205031. The next prime is 451555211205067. The reversal of 451555211205053 is 350502112555154.

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 a cyclic number.

It is not a de Polignac number, because 451555211205053 - 210 = 451555211204029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 451555211204995 and 451555211205013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451555211295053) 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, 1134560831975 + ... + 1134560832372.

It is an arithmetic number, because the mean of its divisors is an integer number (113456083217400).

Almost surely, 2451555211205053 is an apocalyptic number.

It is an amenable number.

451555211205053 is a deficient number, since it is larger than the sum of its proper divisors (2269121664547).

451555211205053 is a wasteful number, since it uses less digits than its factorization.

451555211205053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269121664546.

The product of its (nonzero) digits is 750000, while the sum is 44.

The spelling of 451555211205053 in words is "four hundred fifty-one trillion, five hundred fifty-five billion, two hundred eleven million, two hundred five thousand, fifty-three".

Divisors: 1 199 2269121664347 451555211205053