Search a number
-
+
50120030817 = 3271137572519
BaseRepresentation
bin101110101011011000…
…101111101001100001
311210100221200100221200
4232223120233221201
51310121211441232
635005210111413
73423010142553
oct565330575141
9153327610850
1050120030817
111a28a4a5a7a
12986911b569
1349598a798c
1425d66574d3
1514851a477c
hexbab62fa61

50120030817 has 24 divisors (see below), whose sum is σ = 73951263360. Its totient is φ = 32702228160.

The previous prime is 50120030771. The next prime is 50120030839. The reversal of 50120030817 is 71803002105.

It is not a de Polignac number, because 50120030817 - 27 = 50120030689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50120030017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198717 + ... + 373802.

It is an arithmetic number, because the mean of its divisors is an integer number (3081302640).

Almost surely, 250120030817 is an apocalyptic number.

It is an amenable number.

50120030817 is a deficient number, since it is larger than the sum of its proper divisors (23831232543).

50120030817 is a wasteful number, since it uses less digits than its factorization.

50120030817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572733 (or 572730 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The spelling of 50120030817 in words is "fifty billion, one hundred twenty million, thirty thousand, eight hundred seventeen".

Divisors: 1 3 9 71 137 213 411 639 1233 9727 29181 87543 572519 1717557 5152671 40648849 78435103 121946547 235305309 365839641 705915927 5568892313 16706676939 50120030817