Search a number
-
+
17428585988 = 2211396104227
BaseRepresentation
bin10000001110110100…
…110001111000000100
31122222121221220100202
4100032310301320010
5241143204222423
612001231030032
71154616352022
oct201664617004
948877856322
1017428585988
117433a89680
12346496b318
131849a33198
14bb49a5712
156c0135728
hex40ed31e04

17428585988 has 12 divisors (see below), whose sum is σ = 33272755152. Its totient is φ = 7922084520.

The previous prime is 17428585987. The next prime is 17428586023. The reversal of 17428585988 is 88958582471.

It is a super-2 number, since 2×174285859882 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (17428585987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198052070 + ... + 198052157.

It is an arithmetic number, because the mean of its divisors is an integer number (2772729596).

Almost surely, 217428585988 is an apocalyptic number.

It is an amenable number.

17428585988 is a deficient number, since it is larger than the sum of its proper divisors (15844169164).

17428585988 is a wasteful number, since it uses less digits than its factorization.

17428585988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396104242 (or 396104240 counting only the distinct ones).

The product of its digits is 51609600, while the sum is 65.

The spelling of 17428585988 in words is "seventeen billion, four hundred twenty-eight million, five hundred eighty-five thousand, nine hundred eighty-eight".

Divisors: 1 2 4 11 22 44 396104227 792208454 1584416908 4357146497 8714292994 17428585988