Search a number
-
+
10291797789 = 3713371018889
BaseRepresentation
bin10011001010111000…
…00101111100011101
3222120020211111102220
421211130011330131
5132034200012124
64421124535553
7513016560240
oct114534057435
928506744386
1010291797789
1144014a7009
121bb28515b9
13c802a5aa0
146d8bdd257
154037eb879
hex265705f1d

10291797789 has 32 divisors (see below), whose sum is σ = 17345583360. Its totient is φ = 5281915392.

The previous prime is 10291797743. The next prime is 10291797799. The reversal of 10291797789 is 98779719201.

It is not a de Polignac number, because 10291797789 - 29 = 10291797277 is a prime.

It is a super-2 number, since 2×102917977892 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10291797799) 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, 499344 + ... + 519545.

It is an arithmetic number, because the mean of its divisors is an integer number (542049480).

Almost surely, 210291797789 is an apocalyptic number.

It is an amenable number.

10291797789 is a deficient number, since it is larger than the sum of its proper divisors (7053785571).

10291797789 is a wasteful number, since it uses less digits than its factorization.

10291797789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018949.

The product of its (nonzero) digits is 4000752, while the sum is 60.

The spelling of 10291797789 in words is "ten billion, two hundred ninety-one million, seven hundred ninety-seven thousand, seven hundred eighty-nine".

Divisors: 1 3 7 13 21 37 39 91 111 259 273 481 777 1443 3367 10101 1018889 3056667 7132223 13245557 21396669 37698893 39736671 92718899 113096679 263892251 278156697 490085609 791676753 1470256827 3430599263 10291797789