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50189053409 = 1139471155977
BaseRepresentation
bin101110101111100000…
…000010110111100001
311210112202120002010222
4232233200002313201
51310241344202114
635020113332425
73424505625605
oct565740026741
9153482502128
1050189053409
111a315459740
129888267115
13496ac93651
1426018a3505
15148b28a98e
hexbaf802de1

50189053409 has 8 divisors (see below), whose sum is σ = 54765613728. Its totient is φ = 45614812960.

The previous prime is 50189053297. The next prime is 50189053441. The reversal of 50189053409 is 90435098105.

It is a happy number.

50189053409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50189053409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50189053409.

It is not an unprimeable number, because it can be changed into a prime (50189050409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534572 + ... + 621405.

It is an arithmetic number, because the mean of its divisors is an integer number (6845701716).

Almost surely, 250189053409 is an apocalyptic number.

It is an amenable number.

50189053409 is a deficient number, since it is larger than the sum of its proper divisors (4576560319).

50189053409 is a wasteful number, since it uses less digits than its factorization.

50189053409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159935.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 50189053409 in words is "fifty billion, one hundred eighty-nine million, fifty-three thousand, four hundred nine".

Divisors: 1 11 3947 43417 1155977 12715747 4562641219 50189053409