Search a number
-
+
54203422161 = 372641575243
BaseRepresentation
bin110010011110110001…
…101001010111010001
312011220112022010211010
4302132301221113101
51342002034002121
640522315241133
73626132325600
oct623661512721
9164815263733
1054203422161
1120a95467369
12a6087491a9
13515a876285
1428a2ab7a37
1516238ed376
hexc9ec695d1

54203422161 has 24 divisors (see below), whose sum is σ = 84201915744. Its totient is φ = 30925009920.

The previous prime is 54203422153. The next prime is 54203422181. The reversal of 54203422161 is 16122430245.

It is not a de Polignac number, because 54203422161 - 23 = 54203422153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54203422181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193395 + ... + 381848.

It is an arithmetic number, because the mean of its divisors is an integer number (3508413156).

Almost surely, 254203422161 is an apocalyptic number.

It is an amenable number.

54203422161 is a deficient number, since it is larger than the sum of its proper divisors (29998493583).

54203422161 is a wasteful number, since it uses less digits than its factorization.

54203422161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575901 (or 575894 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 54203422161 in words is "fifty-four billion, two hundred three million, four hundred twenty-two thousand, one hundred sixty-one".

Divisors: 1 3 7 21 49 147 641 1923 4487 13461 31409 94227 575243 1725729 4026701 12080103 28186907 84560721 368730763 1106192289 2581115341 7743346023 18067807387 54203422161