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520275132601 = 721030432
BaseRepresentation
bin1111001001000101101…
…00001000000010111001
31211201220212110011110121
413210202310020002321
532011010413220401
61035002221413241
752405621442200
oct7444264100271
91751825404417
10520275132601
11190713826734
12849bb10a221
133a0a5827763
141b277c88237
15d800ae9ca1
hex7922d080b9

520275132601 has 9 divisors (see below), whose sum is σ = 605223884901. Its totient is φ = 445945785852.

The previous prime is 520275132511. The next prime is 520275132709. The reversal of 520275132601 is 106231572025.

The square root of 520275132601 is 721301.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 520275132601 - 211 = 520275130553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520275130601) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4997586 + ... + 5100628.

Almost surely, 2520275132601 is an apocalyptic number.

520275132601 is the 721301-st square number.

520275132601 is the 360651-st centered octagonal number.

It is an amenable number.

520275132601 is a deficient number, since it is larger than the sum of its proper divisors (84948752300).

520275132601 is an frugal number, since it uses more digits than its factorization.

520275132601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206100 (or 103050 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 520275132601 in words is "five hundred twenty billion, two hundred seventy-five million, one hundred thirty-two thousand, six hundred one".

Divisors: 1 7 49 103043 721301 5049107 10617859849 74325018943 520275132601