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520153303432 = 237291492149607
BaseRepresentation
bin1111001000110111000…
…11011000100110001000
31211201121101012121021011
413210123203120212020
532010233221202212
61034542150253304
752402612062130
oct7443343304610
91751541177234
10520153303432
11190660a85674
1284986357234
133a0865100a9
141b265a13ac0
15d7e50824a7
hex791b8d8988

520153303432 has 64 divisors (see below), whose sum is σ = 1160788320000. Its totient is φ = 213791214336.

The previous prime is 520153303429. The next prime is 520153303507. The reversal of 520153303432 is 234303351025.

It is a junction number, because it is equal to n+sod(n) for n = 520153303394 and 520153303403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 832828 + ... + 1316779.

It is an arithmetic number, because the mean of its divisors is an integer number (18137317500).

Almost surely, 2520153303432 is an apocalyptic number.

It is an amenable number.

520153303432 is an abundant number, since it is smaller than the sum of its proper divisors (640635016568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520153303432 is a wasteful number, since it uses less digits than its factorization.

520153303432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149798 (or 2149794 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 520153303432 its reverse (234303351025), we get a palindrome (754456654457).

The spelling of 520153303432 in words is "five hundred twenty billion, one hundred fifty-three million, three hundred three thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 29 56 58 116 149 203 232 298 406 596 812 1043 1192 1624 2086 4172 4321 8344 8642 17284 30247 34568 60494 120988 241976 2149607 4299214 8598428 15047249 17196856 30094498 60188996 62338603 120377992 124677206 249354412 320291443 436370221 498708824 640582886 872740442 1281165772 1745480884 2242040101 2562331544 3490961768 4484080202 8968160404 9288451847 17936320808 18576903694 37153807388 65019162929 74307614776 130038325858 260076651716 520153303432