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10520322001 = 72425950411
BaseRepresentation
bin10011100110000111…
…10101111111010001
31000011011211201201121
421303003311333101
5133021200301001
64455531002241
7521463155500
oct116303657721
930134751647
1010520322001
1145094a16a2
122057299381
13cb8739407
1471b2c8837
154188dc6a1
hex2730f5fd1

10520322001 has 12 divisors (see below), whose sum is σ = 12241041840. Its totient is φ = 9015122760.

The previous prime is 10520321957. The next prime is 10520322011. The reversal of 10520322001 is 10022302501.

It is not a de Polignac number, because 10520322001 - 233 = 1930387409 is a prime.

It is a super-2 number, since 2×105203220012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10520322011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183486 + ... + 233896.

It is an arithmetic number, because the mean of its divisors is an integer number (1020086820).

Almost surely, 210520322001 is an apocalyptic number.

It is an amenable number.

10520322001 is a deficient number, since it is larger than the sum of its proper divisors (1720719839).

10520322001 is an equidigital number, since it uses as much as digits as its factorization.

10520322001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54684 (or 54677 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 10520322001 its reverse (10022302501), we get a palindrome (20542624502).

The spelling of 10520322001 in words is "ten billion, five hundred twenty million, three hundred twenty-two thousand, one".

Divisors: 1 7 49 4259 29813 50411 208691 352877 2470139 214700449 1502903143 10520322001