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54022220123 = 212903253741
BaseRepresentation
bin110010010011111110…
…011010100101011011
312011102220100010100112
4302103332122211123
51341114142020443
640452323354535
73621502203014
oct622376324533
9164386303315
1054022220123
1120a02153613
12a577b22a4b
13512c171231
1428869ca00b
151612a58b18
hexc93f9a95b

54022220123 has 4 divisors (see below), whose sum is σ = 54022686768. Its totient is φ = 54021753480.

The previous prime is 54022220113. The next prime is 54022220129. The reversal of 54022220123 is 32102222045.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 54022220123 - 216 = 54022154587 is a prime.

It is a super-2 number, since 2×540222201232 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54022220129) 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, 86033 + ... + 339773.

It is an arithmetic number, because the mean of its divisors is an integer number (13505671692).

Almost surely, 254022220123 is an apocalyptic number.

54022220123 is a deficient number, since it is larger than the sum of its proper divisors (466645).

54022220123 is a wasteful number, since it uses less digits than its factorization.

54022220123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466644.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 54022220123 its reverse (32102222045), we get a palindrome (86124442168).

The spelling of 54022220123 in words is "fifty-four billion, twenty-two million, two hundred twenty thousand, one hundred twenty-three".

Divisors: 1 212903 253741 54022220123