Search a number
-
+
185980358146 = 21123336281771
BaseRepresentation
bin1010110100110101001…
…0110000111000000010
3122210001021212002100211
42231031102300320002
511021341432430041
6221234352304334
716302523650412
oct2551522607002
9583037762324
10185980358146
1171968077830
12300645420aa
13146cb923bcb
149004174642
154c87761481
hex2b4d4b0e02

185980358146 has 16 divisors (see below), whose sum is σ = 305637647328. Its totient is φ = 84173706400.

The previous prime is 185980358131. The next prime is 185980358189. The reversal of 185980358146 is 641853089581.

It is a happy number.

185980358146 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1859803581462 (a number of 23 digits) contains 22 as substring.

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, 18135760 + ... + 18146011.

It is an arithmetic number, because the mean of its divisors is an integer number (19102352958).

Almost surely, 2185980358146 is an apocalyptic number.

185980358146 is a deficient number, since it is larger than the sum of its proper divisors (119657289182).

185980358146 is a wasteful number, since it uses less digits than its factorization.

185980358146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36282017.

The product of its (nonzero) digits is 8294400, while the sum is 58.

The spelling of 185980358146 in words is "one hundred eighty-five billion, nine hundred eighty million, three hundred fifty-eight thousand, one hundred forty-six".

Divisors: 1 2 11 22 233 466 2563 5126 36281771 72563542 399099481 798198962 8453652643 16907305286 92990179073 185980358146