Search a number
-
+
1213022232002 = 27421571735999
BaseRepresentation
bin10001101001101101110…
…000100101110111000010
311021222000121100001000102
4101221231300211313002
5124333232142411002
62325131004122402
7153431551564010
oct21515560456702
94258017301012
101213022232002
114284924767a9
12177112836402
138a506471a29
14429d3bdd8b0
152184807ea02
hex11a6dc25dc2

1213022232002 has 32 divisors (see below), whose sum is σ = 2084828544000. Its totient is φ = 518526711360.

The previous prime is 1213022232001. The next prime is 1213022232017. The reversal of 1213022232002 is 2002322203121.

It is a happy number.

It is a super-2 number, since 2×12130222320022 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1213022232001) 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, 33677999 + ... + 33713997.

It is an arithmetic number, because the mean of its divisors is an integer number (65150892000).

Almost surely, 21213022232002 is an apocalyptic number.

1213022232002 is a deficient number, since it is larger than the sum of its proper divisors (871806311998).

1213022232002 is a wasteful number, since it uses less digits than its factorization.

1213022232002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42146.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1213022232002 its reverse (2002322203121), we get a palindrome (3215344435123).

The spelling of 1213022232002 in words is "one trillion, two hundred thirteen billion, twenty-two million, two hundred thirty-two thousand, two".

Divisors: 1 2 7 14 421 842 2947 5717 5894 11434 35999 40019 71998 80038 251993 503986 2406857 4813714 15155579 16847999 30311158 33695998 106089053 205806283 212178106 411612566 1440643981 2881287962 86644445143 173288890286 606511116001 1213022232002