Search a number
-
+
123101421342 = 23291097398783
BaseRepresentation
bin111001010100101101…
…0101001111100011110
3102202202011001010202120
41302221122221330132
54004102430440332
6132315122403410
711615365550064
oct1625132517436
9382664033676
10123101421342
11482305a7959
121ba36500566
13b7ba8bc323
145d5b1d0034
1533073d032c
hex1ca96a9f1e

123101421342 has 64 divisors (see below), whose sum is σ = 257406336000. Its totient is φ = 39197789568.

The previous prime is 123101421341. The next prime is 123101421347. The reversal of 123101421342 is 243124101321.

It is a super-2 number, since 2×1231014213422 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123101421341) 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, 14011483 + ... + 14020265.

It is an arithmetic number, because the mean of its divisors is an integer number (4021974000).

Almost surely, 2123101421342 is an apocalyptic number.

123101421342 is an abundant number, since it is smaller than the sum of its proper divisors (134304914658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123101421342 is a wasteful number, since it uses less digits than its factorization.

123101421342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9665.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 123101421342 its reverse (243124101321), we get a palindrome (366225522663).

The spelling of 123101421342 in words is "one hundred twenty-three billion, one hundred one million, four hundred twenty-one thousand, three hundred forty-two".

Divisors: 1 2 3 6 29 58 87 109 174 218 327 654 739 1478 2217 3161 4434 6322 8783 9483 17566 18966 21431 26349 42862 52698 64293 80551 128586 161102 241653 254707 483306 509414 764121 957347 1528242 1914694 2335979 2872041 4671958 5744082 6490637 7007937 12981274 14015874 19471911 27763063 38943822 55526126 83289189 166578378 188228473 376456946 564685419 707479433 1129370838 1414958866 2122438299 4244876598 20516903557 41033807114 61550710671 123101421342