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520430001352 = 23169338425133
BaseRepresentation
bin1111001001011000000…
…10111001110011001000
31211202022122212022110021
413210230002321303020
532011320040020402
61035025433030224
752412512010452
oct7445402716310
91752278768407
10520430001352
11190793193938
1284a42b55374
133a0cb93c781
141b29067d2d2
15d80e4dbd37
hex792c0b9cc8

520430001352 has 16 divisors (see below), whose sum is σ = 976382654940. Its totient is φ = 260061293376.

The previous prime is 520430001323. The next prime is 520430001353. The reversal of 520430001352 is 253100034025.

It can be written as a sum of positive squares in 2 ways, for example, as 471565130436 + 48864870916 = 686706^2 + 221054^2 .

It is not an unprimeable number, because it can be changed into a prime (520430001353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19199023 + ... + 19226110.

Almost surely, 2520430001352 is an apocalyptic number.

It is an amenable number.

520430001352 is a deficient number, since it is larger than the sum of its proper divisors (455952653588).

520430001352 is a wasteful number, since it uses less digits than its factorization.

520430001352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38426832 (or 38426828 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 520430001352 its reverse (253100034025), we get a palindrome (773530035377).

The spelling of 520430001352 in words is "five hundred twenty billion, four hundred thirty million, one thousand, three hundred fifty-two".

Divisors: 1 2 4 8 1693 3386 6772 13544 38425133 76850266 153700532 307401064 65053750169 130107500338 260215000676 520430001352