Search a number
-
+
1012211003213 = 192971129719949
BaseRepresentation
bin11101011101011000111…
…10100010111101001101
310120202200201120122211022
432232230132202331031
5113041002004100323
62053000414403525
7133062350365334
oct16565436427515
93522621518738
101012211003213
113603047a5393
1214420b5005a5
13745b306aa27
1436dc40acd1b
151b4e37b64c8
hexebac7a2f4d

1012211003213 has 32 divisors (see below), whose sum is σ = 1118668320000. Its totient is φ = 912080010240.

The previous prime is 1012211003203. The next prime is 1012211003231. The reversal of 1012211003213 is 3123001122101.

It is a cyclic number.

It is not a de Polignac number, because 1012211003213 - 24 = 1012211003197 is a prime.

It is a super-2 number, since 2×10122110032132 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1012211003191 and 1012211003200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012211003203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50729963 + ... + 50749911.

It is an arithmetic number, because the mean of its divisors is an integer number (34958385000).

Almost surely, 21012211003213 is an apocalyptic number.

It is an amenable number.

1012211003213 is a deficient number, since it is larger than the sum of its proper divisors (106457316787).

1012211003213 is a wasteful number, since it uses less digits than its factorization.

1012211003213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21365.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1012211003213 its reverse (3123001122101), we get a palindrome (4135212125314).

The spelling of 1012211003213 in words is "one trillion, twelve billion, two hundred eleven million, three thousand, two hundred thirteen".

Divisors: 1 19 29 71 551 1297 1349 2059 19949 24643 37613 39121 92087 379031 578521 714647 1416379 1749653 2670523 10991899 25873853 26911201 41074991 50739937 491603207 750341737 780424829 1837043563 14256493003 34903827697 53274263327 1012211003213