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20230135422 = 2371728333523
BaseRepresentation
bin10010110101110011…
…110101111001111110
31221012212120100200220
4102311303311321332
5312412403313142
613143230002210
71314215212440
oct226563657176
957185510626
1020230135422
118641425192
123b07046366
131ba5283743
14d9cab0490
157d60792ec
hex4b5cf5e7e

20230135422 has 32 divisors (see below), whose sum is σ = 48960329472. Its totient is φ = 5440036224.

The previous prime is 20230135381. The next prime is 20230135489. The reversal of 20230135422 is 22453103202.

It is a junction number, because it is equal to n+sod(n) for n = 20230135392 and 20230135401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14166048 + ... + 14167475.

It is an arithmetic number, because the mean of its divisors is an integer number (1530010296).

Almost surely, 220230135422 is an apocalyptic number.

20230135422 is an abundant number, since it is smaller than the sum of its proper divisors (28730194050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20230135422 is a wasteful number, since it uses less digits than its factorization.

20230135422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28333552.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 20230135422 its reverse (22453103202), we get a palindrome (42683238624).

The spelling of 20230135422 in words is "twenty billion, two hundred thirty million, one hundred thirty-five thousand, four hundred twenty-two".

Divisors: 1 2 3 6 7 14 17 21 34 42 51 102 119 238 357 714 28333523 56667046 85000569 170001138 198334661 396669322 481669891 595003983 963339782 1190007966 1445009673 2890019346 3371689237 6743378474 10115067711 20230135422