Search a number
-
+
50000001554 = 2172711218383
BaseRepresentation
bin101110100100001110…
…110111101000010010
311210001120211020202102
4232210032313220102
51304400000022204
634545241320402
73420022000166
oct564416675022
9153046736672
1050000001554
111a228774238
129834a96102
13493aa70649
1425c4730ca6
15147989541e
hexba43b7a12

50000001554 has 24 divisors (see below), whose sum is σ = 80793479808. Its totient is φ = 23197993280.

The previous prime is 50000001547. The next prime is 50000001559. The reversal of 50000001554 is 45510000005.

50000001554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (50000001559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 568154 + ... + 650229.

It is an arithmetic number, because the mean of its divisors is an integer number (3366394992).

Almost surely, 250000001554 is an apocalyptic number.

50000001554 is a deficient number, since it is larger than the sum of its proper divisors (30793478254).

50000001554 is a wasteful number, since it uses less digits than its factorization.

50000001554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218490 (or 1218473 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

Adding to 50000001554 its reverse (45510000005), we get a palindrome (95510001559).

The spelling of 50000001554 in words is "fifty billion, one thousand, five hundred fifty-four".

Divisors: 1 2 17 34 71 142 289 578 1207 2414 20519 41038 1218383 2436766 20712511 41425022 86505193 173010386 352112687 704225374 1470588281 2941176562 25000000777 50000001554