Search a number
-
+
10101011027 = 27737364171
BaseRepresentation
bin10010110100001000…
…10011001001010011
3222001221211112012112
421122010103021103
5131141324323102
64350151415535
7505212114512
oct113204231123
928057745175
1010101011027
1143138370a8
121b5a9845ab
13c4c8c6203
146bb738679
153e1bb2252
hex25a113253

10101011027 has 4 divisors (see below), whose sum is σ = 10101402936. Its totient is φ = 10100619120.

The previous prime is 10101011009. The next prime is 10101011029. The reversal of 10101011027 is 72011010101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72011010101 = 87473823237.

It is a cyclic number.

It is not a de Polignac number, because 10101011027 - 212 = 10101006931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10101011029) 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, 154349 + ... + 209822.

It is an arithmetic number, because the mean of its divisors is an integer number (2525350734).

Almost surely, 210101011027 is an apocalyptic number.

10101011027 is a deficient number, since it is larger than the sum of its proper divisors (391909).

10101011027 is an equidigital number, since it uses as much as digits as its factorization.

10101011027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391908.

The product of its (nonzero) digits is 14, while the sum is 14.

Adding to 10101011027 its reverse (72011010101), we get a palindrome (82112021128).

The spelling of 10101011027 in words is "ten billion, one hundred one million, eleven thousand, twenty-seven".

Divisors: 1 27737 364171 10101011027