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20227631468429 = 7111049332503469
BaseRepresentation
bin1001001100101100111001…
…10010011100111110001101
32122121202001102020020000202
410212112130302130332031
510122402142123442204
6111004240130303245
74155253364413610
oct446263462347615
978552042206022
1020227631468429
1164995436a3460
122328300a27b25
13b395c4079818
144dd045d9a177
15251279026e1e
hex12659cc9cf8d

20227631468429 has 16 divisors (see below), whose sum is σ = 25219115614080. Its totient is φ = 15761634250560.

The previous prime is 20227631468383. The next prime is 20227631468437. The reversal of 20227631468429 is 92486413672202.

It is not a de Polignac number, because 20227631468429 - 240 = 19128119840653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20227631464429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6828107 + ... + 9331575.

It is an arithmetic number, because the mean of its divisors is an integer number (1576194725880).

Almost surely, 220227631468429 is an apocalyptic number.

It is an amenable number.

20227631468429 is a deficient number, since it is larger than the sum of its proper divisors (4991484145651).

20227631468429 is a wasteful number, since it uses less digits than its factorization.

20227631468429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608420.

The product of its (nonzero) digits is 13934592, while the sum is 56.

The spelling of 20227631468429 in words is "twenty trillion, two hundred twenty-seven billion, six hundred thirty-one million, four hundred sixty-eight thousand, four hundred twenty-nine".

Divisors: 1 7 11 77 104933 734531 1154263 2503469 8079841 17524283 27538159 192767113 262696512577 1838875588039 2889661638347 20227631468429