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1401422244431 = 11149855047129
BaseRepresentation
bin10100011001001011010…
…001100110101001001111
311221222022112012022001112
4110121023101212221033
5140430103043310211
62551445434202235
7203151356350166
oct24311321465117
94858275168045
101401422244431
114a038135a610
121a773158337b
13a21cc473521
144bb8746c3dd
15266c2e4a88b
hex1464b466a4f

1401422244431 has 8 divisors (see below), whose sum is σ = 1539084834000. Its totient is φ = 1265469749440.

The previous prime is 1401422244427. The next prime is 1401422244451. The reversal of 1401422244431 is 1344422241041.

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 1401422244431 - 22 = 1401422244427 is a prime.

It is a super-2 number, since 2×14014222444312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401422244451) 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, 427521926 + ... + 427525203.

It is an arithmetic number, because the mean of its divisors is an integer number (192385604250).

Almost surely, 21401422244431 is an apocalyptic number.

1401422244431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1401422244431 is a deficient number, since it is larger than the sum of its proper divisors (137662589569).

1401422244431 is a wasteful number, since it uses less digits than its factorization.

1401422244431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855047289.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 1401422244431 its reverse (1344422241041), we get a palindrome (2745844485472).

The spelling of 1401422244431 in words is "one trillion, four hundred one billion, four hundred twenty-two million, two hundred forty-four thousand, four hundred thirty-one".

Divisors: 1 11 149 1639 855047129 9405518419 127402022221 1401422244431