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520034751077 = 3311571101967
BaseRepresentation
bin1111001000101000111…
…11001001001001100101
31211201022010010112000012
413210110133021021211
532010012344013302
61034522313300005
752366642310342
oct7442437111145
91751263115005
10520034751077
11190600072516
1284952704605
133a067aa207a
141b253d937c9
15d7d9965a52
hex79147c9265

520034751077 has 4 divisors (see below), whose sum is σ = 521605853376. Its totient is φ = 518463648780.

The previous prime is 520034751043. The next prime is 520034751079. The reversal of 520034751077 is 770157430025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 520034751077 - 232 = 515739783781 is a prime.

It is a super-2 number, since 2×5200347510772 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520034751079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785550653 + ... + 785551314.

It is an arithmetic number, because the mean of its divisors is an integer number (130401463344).

Almost surely, 2520034751077 is an apocalyptic number.

It is an amenable number.

520034751077 is a deficient number, since it is larger than the sum of its proper divisors (1571102299).

520034751077 is a wasteful number, since it uses less digits than its factorization.

520034751077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571102298.

The product of its (nonzero) digits is 205800, while the sum is 41.

The spelling of 520034751077 in words is "five hundred twenty billion, thirty-four million, seven hundred fifty-one thousand, seventy-seven".

Divisors: 1 331 1571101967 520034751077