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10521020041 = 73740621699
BaseRepresentation
bin10011100110001101…
…00000011010001001
31000011020011012020221
421303012200122021
5133021340120131
64455553550041
7521502123550
oct116306403211
930136135227
1010521020041
114509929094
122057575321
13cb892205c
1471b42ad97
154189c9411
hex2731a0689

10521020041 has 8 divisors (see below), whose sum is σ = 12348996800. Its totient is φ = 8774286768.

The previous prime is 10521020039. The next prime is 10521020063. The reversal of 10521020041 is 14002012501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10521020041 - 21 = 10521020039 is a prime.

It is a super-2 number, since 2×105210200412 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10521019997 and 10521020024.

It is not an unprimeable number, because it can be changed into a prime (10521023041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20310591 + ... + 20311108.

It is an arithmetic number, because the mean of its divisors is an integer number (1543624600).

Almost surely, 210521020041 is an apocalyptic number.

It is an amenable number.

10521020041 is a deficient number, since it is larger than the sum of its proper divisors (1827976759).

10521020041 is an equidigital number, since it uses as much as digits as its factorization.

10521020041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40621743.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 10521020041 its reverse (14002012501), we get a palindrome (24523032542).

The spelling of 10521020041 in words is "ten billion, five hundred twenty-one million, twenty thousand, forty-one".

Divisors: 1 7 37 259 40621699 284351893 1503002863 10521020041