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185030693953 = 7293138477643
BaseRepresentation
bin1010110001010010110…
…0000101010001000001
3122200121002220010222221
42230110230011101001
511012420324201303
6221000225531041
716240142643220
oct2542454052101
9580532803887
10185030693953
1171520003a96
122ba3a4a3a81
13145a9c5bc31
148d53daacb7
154c2e1c44bd
hex2b14b05441

185030693953 has 32 divisors (see below), whose sum is σ = 225900380160. Its totient is φ = 148131305280.

The previous prime is 185030693941. The next prime is 185030694031. The reversal of 185030693953 is 359396030581.

It is not a de Polignac number, because 185030693953 - 25 = 185030693921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 185030693953.

It is not an unprimeable number, because it can be changed into a prime (185030693923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24205350 + ... + 24212992.

It is an arithmetic number, because the mean of its divisors is an integer number (7059386880).

Almost surely, 2185030693953 is an apocalyptic number.

It is an amenable number.

185030693953 is a deficient number, since it is larger than the sum of its proper divisors (40869686207).

185030693953 is a wasteful number, since it uses less digits than its factorization.

185030693953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11557.

The product of its (nonzero) digits is 2624400, while the sum is 52.

The spelling of 185030693953 in words is "one hundred eighty-five billion, thirty million, six hundred ninety-three thousand, nine hundred fifty-three".

Divisors: 1 7 29 31 203 217 899 3847 6293 7643 26929 53501 111563 119257 221647 236933 780941 834799 1551529 1658531 3458453 6871057 24209171 29402621 48097399 205818347 852676009 911481251 5968732063 6380368757 26432956279 185030693953