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520104401025 = 3521110111035659
BaseRepresentation
bin1111001000110001010…
…00110101100010000001
31211201110222012002202220
413210120220311202001
532010133211313100
61034533242201253
752401446315406
oct7443050654201
91751428162686
10520104401025
11190636414560
1284971ab3229
133a07934a461
141b25d3242ad
15d7e0b22aa0
hex7918a35881

520104401025 has 96 divisors (see below), whose sum is σ = 948393584640. Its totient is φ = 249404640000.

The previous prime is 520104401023. The next prime is 520104401039.

520104401025 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 520104401025 - 21 = 520104401023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520104400986 and 520104401004.

It is not an unprimeable number, because it can be changed into a prime (520104401023) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 91904646 + ... + 91910304.

It is an arithmetic number, because the mean of its divisors is an integer number (9879099840).

Almost surely, 2520104401025 is an apocalyptic number.

520104401025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

520104401025 is a deficient number, since it is larger than the sum of its proper divisors (428289183615).

520104401025 is a wasteful number, since it uses less digits than its factorization.

520104401025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6887 (or 6882 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

It can be divided in two parts, 520104 and 401025, that added together give a palindrome (921129).

The spelling of 520104401025 in words is "five hundred twenty billion, one hundred four million, four hundred one thousand, twenty-five".

Divisors: 1 3 5 11 15 25 33 55 75 101 165 275 303 505 825 1103 1111 1515 2525 3309 3333 5515 5555 5659 7575 12133 16545 16665 16977 27575 27775 28295 36399 60665 62249 82725 83325 84885 111403 141475 181995 186747 303325 311245 334209 424425 557015 571559 909975 933735 1225433 1556225 1671045 1714677 2785075 2857795 3676299 4668675 6127165 6241877 6287149 8355225 8573385 14288975 18381495 18725631 18861447 30635825 31209385 31435745 42866925 68660647 91907475 93628155 94307235 156046925 157178725 205981941 343303235 468140775 471536175 630429577 1029909705 1716516175 1891288731 3152147885 5149548525 6934725347 9456443655 15760739425 20804176041 34673626735 47282218275 104020880205 173368133675 520104401025