Search a number
-
+
512222031443 = 53173499111953
BaseRepresentation
bin1110111010000101100…
…11111110111001010011
31210222010122010020110202
413131002303332321103
531343012320001233
61031151143445415
752002224300153
oct7350263767123
91728118106422
10512222031443
11188260a8a631
128333215686b
13393c12b1845
141ab1251a763
15d4cdb10be8
hex7742cfee53

512222031443 has 16 divisors (see below), whose sum is σ = 525959892000. Its totient is φ = 498646746624.

The previous prime is 512222031413. The next prime is 512222031527. The reversal of 512222031443 is 344130222215.

It is a cyclic number.

It is not a de Polignac number, because 512222031443 - 26 = 512222031379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512222031413) 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, 4519355 + ... + 4631307.

It is an arithmetic number, because the mean of its divisors is an integer number (32872493250).

Almost surely, 2512222031443 is an apocalyptic number.

512222031443 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

512222031443 is a deficient number, since it is larger than the sum of its proper divisors (13737860557).

512222031443 is a wasteful number, since it uses less digits than its factorization.

512222031443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112678.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 512222031443 its reverse (344130222215), we get a palindrome (856352253658).

The spelling of 512222031443 in words is "five hundred twelve billion, two hundred twenty-two million, thirty-one thousand, four hundred forty-three".

Divisors: 1 53 173 499 9169 26447 86327 111953 4575331 5933509 19367869 55864547 1026497057 2960820991 9664566631 512222031443