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520133710240 = 25531091045621
BaseRepresentation
bin1111001000110100110…
…00101001000110100000
31211201120000100011110101
413210122120221012200
532010213212211430
61034540210312144
752402253406124
oct7443230510640
91751500304411
10520133710240
11190650a12a51
128497b888654
133a08243cba1
141b263193584
15d7e34b1dca
hex791a6291a0

520133710240 has 48 divisors (see below), whose sum is σ = 1229212310760. Its totient is φ = 207986365440.

The previous prime is 520133710207. The next prime is 520133710253. The reversal of 520133710240 is 42017331025.

It can be written as a sum of positive squares in 4 ways, for example, as 323001262224 + 197132448016 = 568332^2 + 443996^2 .

It is a junction number, because it is equal to n+sod(n) for n = 520133710199 and 520133710208.

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, 25371 + ... + 1020250.

Almost surely, 2520133710240 is an apocalyptic number.

It is an amenable number.

520133710240 is an abundant number, since it is smaller than the sum of its proper divisors (709078600520).

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

520133710240 is a wasteful number, since it uses less digits than its factorization.

520133710240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048745 (or 1048737 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The spelling of 520133710240 in words is "five hundred twenty billion, one hundred thirty-three million, seven hundred ten thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 3109 6218 12436 15545 24872 31090 49744 62180 99488 124360 248720 497440 1045621 2091242 4182484 5228105 8364968 10456210 16729936 20912420 33459872 41824840 83649680 167299360 3250835689 6501671378 13003342756 16254178445 26006685512 32508356890 52013371024 65016713780 104026742048 130033427560 260066855120 520133710240