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2400120210042 = 2321931226383721
BaseRepresentation
bin100010111011010010010…
…100000000001001111010
322111110010111121112010200
4202323102110000021322
5303310421233210132
65034333333423030
7335255134113462
oct42732224001172
98443114545120
102400120210042
11845981318825
123291ab49aa76
1314543aa710c9
14842489c4ba2
154267521dd7c
hex22ed250027a

2400120210042 has 48 divisors (see below), whose sum is σ = 5650537701120. Its totient is φ = 733483252800.

The previous prime is 2400120209987. The next prime is 2400120210127.

2400120210042 is a `hidden beast` number, since 2 + 400 + 12 + 0 + 210 + 0 + 42 = 666.

2400120210042 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2400120209997 and 2400120210024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113181259 + ... + 113202462.

It is an arithmetic number, because the mean of its divisors is an integer number (117719535440).

Almost surely, 22400120210042 is an apocalyptic number.

2400120210042 is an abundant number, since it is smaller than the sum of its proper divisors (3250417491078).

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

2400120210042 is a wasteful number, since it uses less digits than its factorization.

2400120210042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226383779 (or 226383776 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

It can be divided in two parts, 2400120 and 210042, that added together give a palindrome (2610162).

The spelling of 2400120210042 in words is "two trillion, four hundred billion, one hundred twenty million, two hundred ten thousand, forty-two".

Divisors: 1 2 3 6 9 18 19 31 38 57 62 93 114 171 186 279 342 558 589 1178 1767 3534 5301 10602 226383721 452767442 679151163 1358302326 2037453489 4074906978 4301290699 7017895351 8602581398 12903872097 14035790702 21053686053 25807744194 38711616291 42107372106 63161058159 77423232582 126322116318 133340011669 266680023338 400020035007 800040070014 1200060105021 2400120210042