Search a number
-
+
10000550979 = 33438613739
BaseRepresentation
bin10010101000001010…
…00100110001000011
3221210221210121221000
421110011010301003
5130440120112404
64332202303043
7502552165206
oct112405046103
927727717830
1010000550979
114272060a71
121b311b7a83
13c34b511b3
146ac26793d
153d7e6b339
hex254144c43

10000550979 has 16 divisors (see below), whose sum is σ = 15160182400. Its totient is φ = 6511985928.

The previous prime is 10000550971. The next prime is 10000550981. The reversal of 10000550979 is 97905500001.

It is a happy number.

10000550979 is a `hidden beast` number, since 10 + 0 + 0 + 0 + 550 + 97 + 9 = 666.

It is not a de Polignac number, because 10000550979 - 23 = 10000550971 is a prime.

It is a super-2 number, since 2×100005509792 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10000550971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4305709 + ... + 4308030.

It is an arithmetic number, because the mean of its divisors is an integer number (947511400).

Almost surely, 210000550979 is an apocalyptic number.

10000550979 is a deficient number, since it is larger than the sum of its proper divisors (5159631421).

10000550979 is an equidigital number, since it uses as much as digits as its factorization.

10000550979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8613791 (or 8613785 counting only the distinct ones).

The product of its (nonzero) digits is 14175, while the sum is 36.

The spelling of 10000550979 in words is "ten billion, five hundred fifty thousand, nine hundred seventy-nine".

Divisors: 1 3 9 27 43 129 387 1161 8613739 25841217 77523651 232570953 370390777 1111172331 3333516993 10000550979