Search a number
-
+
101020232111 = 764211321891
BaseRepresentation
bin101111000010101000…
…1100110100110101111
3100122202021101111121012
41132011101212212233
53123342134411421
6114224050055435
710204242543101
oct1360521464657
9318667344535
10101020232111
113992a318637
12176b357a57b
1396abcb1896
144c64757571
152963ab595b
hex17854669af

101020232111 has 4 divisors (see below), whose sum is σ = 101021630424. Its totient is φ = 101018833800.

The previous prime is 101020232101. The next prime is 101020232129. The reversal of 101020232111 is 111232020101.

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

It is a cyclic number.

It is not a de Polignac number, because 101020232111 - 210 = 101020231087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101020232101) 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, 584525 + ... + 737366.

It is an arithmetic number, because the mean of its divisors is an integer number (25255407606).

Almost surely, 2101020232111 is an apocalyptic number.

101020232111 is a deficient number, since it is larger than the sum of its proper divisors (1398313).

101020232111 is an equidigital number, since it uses as much as digits as its factorization.

101020232111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398312.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 101020232111 its reverse (111232020101), we get a palindrome (212252252212).

The spelling of 101020232111 in words is "one hundred one billion, twenty million, two hundred thirty-two thousand, one hundred eleven".

Divisors: 1 76421 1321891 101020232111