Search a number
-
+
1029478850107 = 1138390440029
BaseRepresentation
bin11101111101100011011…
…10001001111000111011
310122102021011002011121021
432332301232021320323
5113331333041200412
62104534104323311
7134243305562311
oct16766156117073
93572234064537
101029478850107
11367665a77334
1214762a473537
13761056b1c06
1437b815920b1
151bba474a607
hexefb1b89e3b

1029478850107 has 4 divisors (see below), whose sum is σ = 1029569301520. Its totient is φ = 1029388398696.

The previous prime is 1029478850063. The next prime is 1029478850117. The reversal of 1029478850107 is 7010588749201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1029478850107 is a prime.

It is a super-2 number, since 2×10294788501072 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1029478850117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45208632 + ... + 45231397.

It is an arithmetic number, because the mean of its divisors is an integer number (257392325380).

Almost surely, 21029478850107 is an apocalyptic number.

1029478850107 is a deficient number, since it is larger than the sum of its proper divisors (90451413).

1029478850107 is an equidigital number, since it uses as much as digits as its factorization.

1029478850107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90451412.

The product of its (nonzero) digits is 1128960, while the sum is 52.

The spelling of 1029478850107 in words is "one trillion, twenty-nine billion, four hundred seventy-eight million, eight hundred fifty thousand, one hundred seven".

Divisors: 1 11383 90440029 1029478850107