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2122444042 = 25320023057
BaseRepresentation
bin111111010000001…
…1110110100001010
312110220202022212121
41332200132310022
513321321202132
6550335201454
7103411322335
oct17640366412
95426668777
102122444042
1199a078694
124b297628a
1327a948864
14161c4d61c
15c64ec497
hex7e81ed0a

2122444042 has 8 divisors (see below), whose sum is σ = 3243735396. Its totient is φ = 1041198912.

The previous prime is 2122444031. The next prime is 2122444057. The reversal of 2122444042 is 2404442212.

It can be written as a sum of positive squares in 2 ways, for example, as 2069431081 + 53012961 = 45491^2 + 7281^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21224440422 = 9009537422842595528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2122443998 and 2122444016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10011423 + ... + 10011634.

Almost surely, 22122444042 is an apocalyptic number.

2122444042 is a deficient number, since it is larger than the sum of its proper divisors (1121291354).

2122444042 is a wasteful number, since it uses less digits than its factorization.

2122444042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20023112.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 2122444042 is about 46069.9906880824. The cubic root of 2122444042 is about 1285.1251306631.

Adding to 2122444042 its reverse (2404442212), we get a palindrome (4526886254).

The spelling of 2122444042 in words is "two billion, one hundred twenty-two million, four hundred forty-four thousand, forty-two".

Divisors: 1 2 53 106 20023057 40046114 1061222021 2122444042