Search a number
-
+
131234024220042 = 23198912934557877
BaseRepresentation
bin11101110101101101001101…
…011001010110010110001010
3122012122211221210021212020010
4131311231031121112112022
5114200114240200020132
61143040024535412350
736433226313413352
oct3565551531262612
9565584853255203
10131234024220042
11388a7045454437
12128760492240b6
13582c413b86873
142459a9138bb62
151028a713196cc
hex775b4d65658a

131234024220042 has 32 divisors (see below), whose sum is σ = 279386450164800. Its totient is φ = 40976679351168.

The previous prime is 131234024219999. The next prime is 131234024220059. The reversal of 131234024220042 is 240022420432131.

It is a super-3 number, since 3×1312340242200423 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 131234024219991 and 131234024220009.

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, 6467268793 + ... + 6467289084.

It is an arithmetic number, because the mean of its divisors is an integer number (8730826567650).

Almost surely, 2131234024220042 is an apocalyptic number.

131234024220042 is an abundant number, since it is smaller than the sum of its proper divisors (148152425944758).

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

131234024220042 is a wasteful number, since it uses less digits than its factorization.

131234024220042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12934557990.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 131234024220042 its reverse (240022420432131), we get a palindrome (371256444652173).

The spelling of 131234024220042 in words is "one hundred thirty-one trillion, two hundred thirty-four billion, twenty-four million, two hundred twenty thousand, forty-two".

Divisors: 1 2 3 6 19 38 57 89 114 178 267 534 1691 3382 5073 10146 12934557877 25869115754 38803673631 77607347262 245756599663 491513199326 737269798989 1151175651053 1474539597978 2302351302106 3453526953159 6907053906318 21872337370007 43744674740014 65617012110021 131234024220042