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11452053431 = 713149844609
BaseRepresentation
bin10101010101001100…
…00111011110110111
31002120010001120222002
422222212013132313
5141423211202211
65132213125515
7553535563610
oct125246073667
932503046862
1011452053431
114947427275
12227732989b
131106792ba0
147a8d44c07
154705d603b
hex2aa9877b7

11452053431 has 16 divisors (see below), whose sum is σ = 14189448000. Its totient is φ = 9000142848.

The previous prime is 11452053427. The next prime is 11452053439. The reversal of 11452053431 is 13435025411.

It is a cyclic number.

It is not a de Polignac number, because 11452053431 - 22 = 11452053427 is a prime.

It is a super-2 number, since 2×114520534312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11452053394 and 11452053403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11452053439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408746 + ... + 435863.

It is an arithmetic number, because the mean of its divisors is an integer number (886840500).

Almost surely, 211452053431 is an apocalyptic number.

11452053431 is a deficient number, since it is larger than the sum of its proper divisors (2737394569).

11452053431 is a wasteful number, since it uses less digits than its factorization.

11452053431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844778.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 11452053431 its reverse (13435025411), we get a palindrome (24887078842).

The spelling of 11452053431 in words is "eleven billion, four hundred fifty-two million, fifty-three thousand, four hundred thirty-one".

Divisors: 1 7 13 91 149 1043 1937 13559 844609 5912263 10979917 76859419 125846741 880927187 1636007633 11452053431