Search a number
-
+
17831037190 = 2547145926003
BaseRepresentation
bin10000100110110100…
…000000100100000110
31201000200020112121211
4100212310000210012
5243004221142230
612105205002034
71200604213111
oct204664004406
951020215554
1017831037190
11762017917a
1235576b331a
1318b22223a5
14c12207578
156e563042a
hex426d00906

17831037190 has 32 divisors (see below), whose sum is σ = 32802485760. Its totient is φ = 6975608544.

The previous prime is 17831037131. The next prime is 17831037209. The reversal of 17831037190 is 9173013871.

It is a super-2 number, since 2×178310371902 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672729 + ... + 698731.

It is an arithmetic number, because the mean of its divisors is an integer number (1025077680).

Almost surely, 217831037190 is an apocalyptic number.

17831037190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

17831037190 is a deficient number, since it is larger than the sum of its proper divisors (14971448570).

17831037190 is a wasteful number, since it uses less digits than its factorization.

17831037190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27516.

The product of its (nonzero) digits is 31752, while the sum is 40.

The spelling of 17831037190 in words is "seventeen billion, eight hundred thirty-one million, thirty-seven thousand, one hundred ninety".

Divisors: 1 2 5 10 47 94 235 470 1459 2918 7295 14590 26003 52006 68573 130015 137146 260030 342865 685730 1222141 2444282 6110705 12221410 37938377 75876754 189691885 379383770 1783103719 3566207438 8915518595 17831037190