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50970738289 = 2257672
BaseRepresentation
bin101111011110000101…
…111011111001110001
311212120020102210012211
4233132011323321301
51313342002111124
635225435452121
73453050061352
oct573605737161
9155506383184
1050970738289
111a6867200a9
129a65bb7041
134a63c02c93
142677621d29
1514d4be5e94
hexbde17be71

50970738289 has 3 divisors (see below), whose sum is σ = 50970964057. Its totient is φ = 50970512522.

The previous prime is 50970738263. The next prime is 50970738317. The reversal of 50970738289 is 98283707905.

The square root of 50970738289 is 225767.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98283707905 = 519656741581.

It is not a de Polignac number, because 50970738289 - 29 = 50970737777 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50970735289) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 112884 + ... + 338650.

Almost surely, 250970738289 is an apocalyptic number.

50970738289 is the 225767-th square number.

50970738289 is the 112884-th centered octagonal number.

It is an amenable number.

50970738289 is a deficient number, since it is larger than the sum of its proper divisors (225768).

50970738289 is an frugal number, since it uses more digits than its factorization.

50970738289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451534 (or 225767 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 58.

The spelling of 50970738289 in words is "fifty billion, nine hundred seventy million, seven hundred thirty-eight thousand, two hundred eighty-nine".

Divisors: 1 225767 50970738289