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22045024031 = 25187828781
BaseRepresentation
bin10100100001111111…
…000101111100011111
32002220100121020211112
4110201333011330133
5330122011232111
614043301212235
71410203420042
oct244177057437
962810536745
1022045024031
119392928928
124332a0107b
132104287524
1410d1b40c59
15890573e8b
hex521fc5f1f

22045024031 has 4 divisors (see below), whose sum is σ = 22132853064. Its totient is φ = 21957195000.

The previous prime is 22045024019. The next prime is 22045024039. The reversal of 22045024031 is 13042054022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22045024031 is a prime.

It is a super-2 number, since 2×220450240312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22045023988 and 22045024006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22045024039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43914140 + ... + 43914641.

It is an arithmetic number, because the mean of its divisors is an integer number (5533213266).

Almost surely, 222045024031 is an apocalyptic number.

22045024031 is a deficient number, since it is larger than the sum of its proper divisors (87829033).

22045024031 is an equidigital number, since it uses as much as digits as its factorization.

22045024031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87829032.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 22045024031 its reverse (13042054022), we get a palindrome (35087078053).

The spelling of 22045024031 in words is "twenty-two billion, forty-five million, twenty-four thousand, thirty-one".

Divisors: 1 251 87828781 22045024031