Search a number
-
+
1020212100011 = 13216136315527
BaseRepresentation
bin11101101100010010110…
…00010011101110101011
310121112100100001111020202
432312021120103232223
5113203343244200021
62100402353542415
7133464543524216
oct16661130235653
93545310044222
101020212100011
11363740151885
12145882b74a0b
13752898a6130
143754298077d
151b810e2ba0b
hexed89613bab

1020212100011 has 8 divisors (see below), whose sum is σ = 1099198401504. Its totient is φ = 941298433920.

The previous prime is 1020212099999. The next prime is 1020212100043. The reversal of 1020212100011 is 1100012120201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020212100011 - 238 = 745334193067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020212099965 and 1020212100001.

It is not an unprimeable number, because it can be changed into a prime (1020212300011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18129671 + ... + 18185856.

It is an arithmetic number, because the mean of its divisors is an integer number (137399800188).

Almost surely, 21020212100011 is an apocalyptic number.

1020212100011 is a deficient number, since it is larger than the sum of its proper divisors (78986301493).

1020212100011 is a wasteful number, since it uses less digits than its factorization.

1020212100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36317701.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1020212100011 its reverse (1100012120201), we get a palindrome (2120224220212).

The spelling of 1020212100011 in words is "one trillion, twenty billion, two hundred twelve million, one hundred thousand, eleven".

Divisors: 1 13 2161 28093 36315527 472101851 78477853847 1020212100011