Search a number
-
+
55028750530 = 2513423298081
BaseRepresentation
bin110011001111111110…
…000001100011000010
312021001001022011111111
4303033332001203002
51400144330004110
641140241033534
73655443443005
oct631776014302
9167031264444
1055028750530
1121379327826
12a7b90258aa
13525c856960
14294055753c
1516710c9e8a
hexccff818c2

55028750530 has 16 divisors (see below), whose sum is σ = 106671116664. Its totient is φ = 20318307840.

The previous prime is 55028750479. The next prime is 55028750537. The reversal of 55028750530 is 3505782055.

It is a happy number.

55028750530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 38266010689 + 16762739841 = 195617^2 + 129471^2 .

It is not an unprimeable number, because it can be changed into a prime (55028750537) 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, 211648911 + ... + 211649170.

Almost surely, 255028750530 is an apocalyptic number.

55028750530 is a deficient number, since it is larger than the sum of its proper divisors (51642366134).

55028750530 is a wasteful number, since it uses less digits than its factorization.

55028750530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423298101.

The product of its (nonzero) digits is 210000, while the sum is 40.

The spelling of 55028750530 in words is "fifty-five billion, twenty-eight million, seven hundred fifty thousand, five hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 423298081 846596162 2116490405 4232980810 5502875053 11005750106 27514375265 55028750530