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22530001454 = 211265000727
BaseRepresentation
bin10100111110111001…
…001000101000101110
32011011011011122210022
4110332321020220232
5332120140021304
614203344042142
71425212565302
oct247671105056
964134148708
1022530001454
119611664614
124449303352
1321808ac90c
14113a305d02
158bce20ebe
hex53ee48a2e

22530001454 has 4 divisors (see below), whose sum is σ = 33795002184. Its totient is φ = 11265000726.

The previous prime is 22530001453. The next prime is 22530001513. The reversal of 22530001454 is 45410003522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×225300014542 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22530001453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5632500362 + ... + 5632500365.

It is an arithmetic number, because the mean of its divisors is an integer number (8448750546).

Almost surely, 222530001454 is an apocalyptic number.

22530001454 is a deficient number, since it is larger than the sum of its proper divisors (11265000730).

22530001454 is a wasteful number, since it uses less digits than its factorization.

22530001454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11265000729.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 22530001454 its reverse (45410003522), we get a palindrome (67940004976).

The spelling of 22530001454 in words is "twenty-two billion, five hundred thirty million, one thousand, four hundred fifty-four".

Divisors: 1 2 11265000727 22530001454