Search a number
-
+
122405122223402 = 21016191997490207
BaseRepresentation
bin11011110101001110101001…
…110101000010110100101010
3121001101211000102120011110012
4123311032221311002310222
5112020441142242122102
61112200045321051522
734532323015602164
oct3365165165026452
9531354012504405
10122405122223402
11360027a2444677
121188ab23926ba2
13533b9a4582ba5
1422326220bb934
15e24088a77752
hex6f53a9d42d2a

122405122223402 has 32 divisors (see below), whose sum is σ = 185818518996480. Its totient is φ = 60468282676800.

The previous prime is 122405122223399. The next prime is 122405122223467. The reversal of 122405122223402 is 204322221504221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249455783 + ... + 249945989.

It is an arithmetic number, because the mean of its divisors is an integer number (5806828718640).

Almost surely, 2122405122223402 is an apocalyptic number.

122405122223402 is a deficient number, since it is larger than the sum of its proper divisors (63413396773078).

122405122223402 is a wasteful number, since it uses less digits than its factorization.

122405122223402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492926.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 122405122223402 its reverse (204322221504221), we get a palindrome (326727343727623).

The spelling of 122405122223402 in words is "one hundred twenty-two trillion, four hundred five billion, one hundred twenty-two million, two hundred twenty-three thousand, four hundred two".

Divisors: 1 2 101 202 619 1238 1997 3994 62519 125038 201697 403394 490207 980414 1236143 2472286 49510907 99021814 124850443 249700886 303438133 606876266 978943379 1957886758 30647251433 61294502866 98873281279 197746562558 605965951601 1211931903202 61202561111701 122405122223402