Search a number
-
+
50020626621 = 3719125364979
BaseRepresentation
bin101110100101011101…
…100011000010111101
311210010000122010000210
4232211131203002331
51304420240022441
634551255343033
73420362211450
oct564535430275
9153100563023
1050020626621
111a239381149
12983b981a79
134942112424
1425c737d497
15147b5bb616
hexba57630bd

50020626621 has 16 divisors (see below), whose sum is σ = 80233587200. Its totient is φ = 27078835248.

The previous prime is 50020626613. The next prime is 50020626671. The reversal of 50020626621 is 12662602005.

It is not a de Polignac number, because 50020626621 - 23 = 50020626613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50020626671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62682091 + ... + 62682888.

It is an arithmetic number, because the mean of its divisors is an integer number (5014599200).

Almost surely, 250020626621 is an apocalyptic number.

It is an amenable number.

50020626621 is a deficient number, since it is larger than the sum of its proper divisors (30212960579).

50020626621 is a wasteful number, since it uses less digits than its factorization.

50020626621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125365008.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 50020626621 in words is "fifty billion, twenty million, six hundred twenty-six thousand, six hundred twenty-one".

Divisors: 1 3 7 19 21 57 133 399 125364979 376094937 877554853 2381934601 2632664559 7145803803 16673542207 50020626621