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11422002431 = 74193894307
BaseRepresentation
bin10101010001100110…
…11110110011111111
31002111000111211202002
422220303132303333
5141343013034211
65125221052515
7553022263430
oct125063366377
932430454662
1011422002431
114931471534
12226925713b
1311004a0928
147a4d61487
1546cb4c03b
hex2a8cdecff

11422002431 has 8 divisors (see below), whose sum is σ = 13084874880. Its totient is φ = 9766919448.

The previous prime is 11422002419. The next prime is 11422002467. The reversal of 11422002431 is 13420022411.

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

It is a cyclic number.

It is not a de Polignac number, because 11422002431 - 26 = 11422002367 is a prime.

It is a super-2 number, since 2×114220024312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11422002481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1944221 + ... + 1950086.

It is an arithmetic number, because the mean of its divisors is an integer number (1635609360).

Almost surely, 211422002431 is an apocalyptic number.

11422002431 is a deficient number, since it is larger than the sum of its proper divisors (1662872449).

11422002431 is an equidigital number, since it uses as much as digits as its factorization.

11422002431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3894733.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11422002431 its reverse (13420022411), we get a palindrome (24842024842).

The spelling of 11422002431 in words is "eleven billion, four hundred twenty-two million, two thousand, four hundred thirty-one".

Divisors: 1 7 419 2933 3894307 27260149 1631714633 11422002431