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520234403242 = 2436899387679
BaseRepresentation
bin1111001001000000110…
…00110000010110101010
31211201211000210220021211
413210200120300112222
532010420001400432
61034554204423334
752404615315541
oct7444030602652
91751730726254
10520234403242
111906a2838104
12849a9547b4a
133a09a266c48
141b2726c5158
15d7ec251d47
hex79206305aa

520234403242 has 16 divisors (see below), whose sum is σ = 798519997440. Its totient is φ = 254061384192.

The previous prime is 520234403219. The next prime is 520234403251. The reversal of 520234403242 is 242304432025.

It is a super-2 number, since 2×5202344032422 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5889559 + ... + 5977237.

It is an arithmetic number, because the mean of its divisors is an integer number (49907499840).

Almost surely, 2520234403242 is an apocalyptic number.

520234403242 is a deficient number, since it is larger than the sum of its proper divisors (278285594198).

520234403242 is a wasteful number, since it uses less digits than its factorization.

520234403242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156717.

The product of its (nonzero) digits is 46080, while the sum is 31.

Adding to 520234403242 its reverse (242304432025), we get a palindrome (762538835267).

The spelling of 520234403242 in words is "five hundred twenty billion, two hundred thirty-four million, four hundred three thousand, two hundred forty-two".

Divisors: 1 2 43 86 68993 87679 137986 175358 2966699 3770197 5933398 7540394 6049237247 12098474494 260117201621 520234403242