Search a number
-
+
190943605870 = 25145511312237
BaseRepresentation
bin1011000111010100100…
…0000011010001101110
3200020212012002012021121
42301311020003101232
511112023030341440
6223415052051154
716536521604403
oct2616510032156
9606765065247
10190943605870
1173a84762256
123100a763aba
131500cc85294
1493553ca2aa
154e7835834a
hex2c7520346e

190943605870 has 16 divisors (see below), whose sum is σ = 343722372768. Its totient is φ = 76372135200.

The previous prime is 190943605823. The next prime is 190943605927. The reversal of 190943605870 is 78506349091.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510609 + ... + 801628.

It is an arithmetic number, because the mean of its divisors is an integer number (21482648298).

Almost surely, 2190943605870 is an apocalyptic number.

190943605870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190943605870 is a deficient number, since it is larger than the sum of its proper divisors (152778766898).

190943605870 is a wasteful number, since it uses less digits than its factorization.

190943605870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326795.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 190943605870 in words is "one hundred ninety billion, nine hundred forty-three million, six hundred five thousand, eight hundred seventy".

Divisors: 1 2 5 10 14551 29102 72755 145510 1312237 2624474 6561185 13122370 19094360587 38188721174 95471802935 190943605870