Search a number
-
+
1213011120202 = 27177069720991
BaseRepresentation
bin10001101001101101000…
…110001101000001001010
311021221222211102111111021
4101221231012031001022
5124333221321321302
62325125530023054
7153431355254050
oct21515506150112
94257884374437
101213011120202
114284871772a2
1217710ab77a8a
138a5040810bb
14429d254a1d0
15218470d7437
hex11a6d18d04a

1213011120202 has 32 divisors (see below), whose sum is σ = 2202082606080. Its totient is φ = 489211902720.

The previous prime is 1213011120161. The next prime is 1213011120271. The reversal of 1213011120202 is 2020211103121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1321927 + ... + 2042917.

It is an arithmetic number, because the mean of its divisors is an integer number (68815081440).

Almost surely, 21213011120202 is an apocalyptic number.

1213011120202 is a deficient number, since it is larger than the sum of its proper divisors (989071485878).

1213011120202 is a wasteful number, since it uses less digits than its factorization.

1213011120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728086.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1213011120202 its reverse (2020211103121), we get a palindrome (3233222223323).

The spelling of 1213011120202 in words is "one trillion, two hundred thirteen billion, eleven million, one hundred twenty thousand, two hundred two".

Divisors: 1 2 7 14 17 34 119 238 7069 14138 49483 98966 120173 240346 720991 841211 1441982 1682422 5046937 10093874 12256847 24513694 85797929 171595858 5096685379 10193370758 35676797653 71353595306 86643651443 173287302886 606505560101 1213011120202