Search a number
-
+
101121201013 = 7229433145687
BaseRepresentation
bin101111000101101001…
…0110001001101110101
3100200000022101020220011
41132023102301031311
53124044011413023
6114242054140221
710206610012060
oct1361322611565
9320008336804
10101121201013
1139981311008
1217721351671
1396c6ba43b1
144c73d1b8d7
15296c8ac50d
hex178b4b1375

101121201013 has 16 divisors (see below), whose sum is σ = 116340609280. Its totient is φ = 86096929536.

The previous prime is 101121201001. The next prime is 101121201053. The reversal of 101121201013 is 310102121101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 101121201013 - 29 = 101121200501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101121200984 and 101121201002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101121201053) 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, 621256 + ... + 766942.

It is an arithmetic number, because the mean of its divisors is an integer number (7271288080).

Almost surely, 2101121201013 is an apocalyptic number.

It is an amenable number.

101121201013 is a deficient number, since it is larger than the sum of its proper divisors (15219408267).

101121201013 is a wasteful number, since it uses less digits than its factorization.

101121201013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146356.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 101121201013 its reverse (310102121101), we get a palindrome (411223322114).

The spelling of 101121201013 in words is "one hundred one billion, one hundred twenty-one million, two hundred one thousand, thirteen".

Divisors: 1 7 229 433 1603 3031 99157 145687 694099 1019809 33362323 63082471 233536261 441577297 14445885859 101121201013