Search a number
-
+
101201211982 = 21319613358373
BaseRepresentation
bin101111001000000001…
…1111111001001001110
3100200012212221020022101
41132100003333021032
53124230002240412
6114254033105314
710211601052153
oct1362003771116
9320185836271
10101201211982
1139a1249a482
12177440b823a
13970a639770
144c807c822a
152974914457
hex17900ff24e

101201211982 has 32 divisors (see below), whose sum is σ = 174904117920. Its totient is φ = 43524501120.

The previous prime is 101201211977. The next prime is 101201211997. The reversal of 101201211982 is 289112102101.

It is a self number, because there is not a number n which added to its sum of digits gives 101201211982.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1649053 + ... + 1709320.

It is an arithmetic number, because the mean of its divisors is an integer number (5465753685).

Almost surely, 2101201211982 is an apocalyptic number.

101201211982 is a deficient number, since it is larger than the sum of its proper divisors (73702905938).

101201211982 is a wasteful number, since it uses less digits than its factorization.

101201211982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3358468.

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 101201211982 in words is "one hundred one billion, two hundred one million, two hundred eleven thousand, nine hundred eighty-two".

Divisors: 1 2 13 19 26 38 61 122 247 494 793 1159 1586 2318 15067 30134 3358373 6716746 43658849 63809087 87317698 127618174 204860753 409721506 829518131 1659036262 2663189789 3892354307 5326379578 7784708614 50600605991 101201211982