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20230563356454 = 2311615024978479
BaseRepresentation
bin1001001100110010010111…
…00010101101111100100110
32122122000121202002120022010
410212121023202231330212
510122424143204401304
6111005443103015050
74155416135145243
oct446311342557446
978560552076263
1020230563356454
11649a808672310
12232899a89a486
13b399706039c9
144dd2435125ca
1525139b614789
hex12664b8adf26

20230563356454 has 32 divisors (see below), whose sum is σ = 44863007869440. Its totient is φ = 6029974173600.

The previous prime is 20230563356441. The next prime is 20230563356501. The reversal of 20230563356454 is 45465336503202.

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, 2512485214 + ... + 2512493265.

It is an arithmetic number, because the mean of its divisors is an integer number (1401968995920).

Almost surely, 220230563356454 is an apocalyptic number.

20230563356454 is an abundant number, since it is smaller than the sum of its proper divisors (24632444512986).

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

20230563356454 is a wasteful number, since it uses less digits than its factorization.

20230563356454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5024978556.

The product of its (nonzero) digits is 7776000, while the sum is 48.

Adding to 20230563356454 its reverse (45465336503202), we get a palindrome (65695899859656).

The spelling of 20230563356454 in words is "twenty trillion, two hundred thirty billion, five hundred sixty-three million, three hundred fifty-six thousand, four hundred fifty-four".

Divisors: 1 2 3 6 11 22 33 61 66 122 183 366 671 1342 2013 4026 5024978479 10049956958 15074935437 30149870874 55274763269 110549526538 165824289807 306523687219 331648579614 613047374438 919571061657 1839142123314 3371760559409 6743521118818 10115281678227 20230563356454