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20254113224 = 232531764153
BaseRepresentation
bin10010110111001111…
…010011110111001000
31221021112200120001122
4102313033103313020
5312440023110344
613145443534412
71314626056532
oct226717236710
957245616048
1020254113224
118653a12054
123b1308a408
131baa22a5a7
14da1d52852
157d8213aee
hex4b73d3dc8

20254113224 has 8 divisors (see below), whose sum is σ = 37976462310. Its totient is φ = 10127056608.

The previous prime is 20254113193. The next prime is 20254113317. The reversal of 20254113224 is 42231145202.

It can be written as a sum of positive squares in only one way, i.e., 16892200900 + 3361912324 = 129970^2 + 57982^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×202541132242 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20254113193 and 20254113202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265882069 + ... + 1265882084.

Almost surely, 220254113224 is an apocalyptic number.

It is an amenable number.

20254113224 is a deficient number, since it is larger than the sum of its proper divisors (17722349086).

20254113224 is a wasteful number, since it uses less digits than its factorization.

20254113224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531764159 (or 2531764155 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 20254113224 its reverse (42231145202), we get a palindrome (62485258426).

The spelling of 20254113224 in words is "twenty billion, two hundred fifty-four million, one hundred thirteen thousand, two hundred twenty-four".

Divisors: 1 2 4 8 2531764153 5063528306 10127056612 20254113224