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2058188820 = 223534303147
BaseRepresentation
bin111101010101101…
…0111100000010100
312022102211211021120
41322223113200110
513203344020240
6540122043540
7102001213332
oct17253274024
95272754246
102058188820
119668807a6
124953495b0
1326a53bb0c
141574c4b52
15c0a58ad0
hex7aad7814

2058188820 has 24 divisors (see below), whose sum is σ = 5762928864. Its totient is φ = 548850336.

The previous prime is 2058188809. The next prime is 2058188843. The reversal of 2058188820 is 288818502.

It is a super-2 number, since 2×20581888202 = 8472282437545984800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17151514 + ... + 17151633.

It is an arithmetic number, because the mean of its divisors is an integer number (240122036).

Almost surely, 22058188820 is an apocalyptic number.

2058188820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2058188820 is an abundant number, since it is smaller than the sum of its proper divisors (3704740044).

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

2058188820 is a wasteful number, since it uses less digits than its factorization.

2058188820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34303159 (or 34303157 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 42.

The square root of 2058188820 is about 45367.2659524464. The cubic root of 2058188820 is about 1272.0233150072.

The spelling of 2058188820 in words is "two billion, fifty-eight million, one hundred eighty-eight thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 34303147 68606294 102909441 137212588 171515735 205818882 343031470 411637764 514547205 686062940 1029094410 2058188820