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22530611145431 = 372232730652181
BaseRepresentation
bin1010001111101110100010…
…00100101110101011010111
32221202220110000210101011102
411013313101010232223113
510423120142423123211
6115530230405300315
74513532355604304
oct507672104565327
987686400711142
1022530611145431
1171a71a668aa14
12263a70010469b
13c7582085987c
1457c6b75c40ab
15291116090a3b
hex147dd112ead7

22530611145431 has 8 divisors (see below), whose sum is σ = 23243311373184. Its totient is φ = 21823372222560.

The previous prime is 22530611145379. The next prime is 22530611145437. The reversal of 22530611145431 is 13454111603522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-22530611145431 is a prime.

It is a super-2 number, since 2×225306111454312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22530611145437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1365317840 + ... + 1365334341.

It is an arithmetic number, because the mean of its divisors is an integer number (2905413921648).

Almost surely, 222530611145431 is an apocalyptic number.

22530611145431 is a deficient number, since it is larger than the sum of its proper divisors (712700227753).

22530611145431 is a wasteful number, since it uses less digits than its factorization.

22530611145431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730652441.

The product of its (nonzero) digits is 86400, while the sum is 38.

Adding to 22530611145431 its reverse (13454111603522), we get a palindrome (35984722748953).

The spelling of 22530611145431 in words is "twenty-two trillion, five hundred thirty billion, six hundred eleven million, one hundred forty-five thousand, four hundred thirty-one".

Divisors: 1 37 223 8251 2730652181 101034130697 608935436363 22530611145431