Search a number
-
+
1058128180420 = 22552906409021
BaseRepresentation
bin11110110010111010101…
…10101011010011000100
310202011012202211221111011
433121131112223103010
5114314021303233140
62130033011052004
7136306255063543
oct17313526532304
93664182757434
101058128180420
11378827855223
121510a4ba1004
1378a1ccaab7c
14392dc48a15a
151c7ce9c5cea
hexf65d5ab4c4

1058128180420 has 12 divisors (see below), whose sum is σ = 2222069178924. Its totient is φ = 423251272160.

The previous prime is 1058128180259. The next prime is 1058128180469. The reversal of 1058128180420 is 240818218501.

It can be written as a sum of positive squares in 2 ways, for example, as 613615288896 + 444512891524 = 783336^2 + 666718^2 .

It is a super-2 number, since 2×10581281804202 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26453204491 + ... + 26453204530.

It is an arithmetic number, because the mean of its divisors is an integer number (185172431577).

Almost surely, 21058128180420 is an apocalyptic number.

1058128180420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1058128180420 is an abundant number, since it is smaller than the sum of its proper divisors (1163940998504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1058128180420 is a wasteful number, since it uses less digits than its factorization.

1058128180420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52906409030 (or 52906409028 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 40.

The spelling of 1058128180420 in words is "one trillion, fifty-eight billion, one hundred twenty-eight million, one hundred eighty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 52906409021 105812818042 211625636084 264532045105 529064090210 1058128180420