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10020021230121 = 37477143868101
BaseRepresentation
bin1001000111001111011111…
…0011100101101000101001
31022110220102111201010022220
42101303313303211220221
52303132000413330441
633151044553304253
72052631316112510
oct221636763455051
938426374633286
1010020021230121
1132135158435a1
121159b44a05089
13578b65057456
14268d8617d677
1512599c9a4466
hex91cf7ce5a29

10020021230121 has 8 divisors (see below), whose sum is σ = 15268603779264. Its totient is φ = 5725726417200.

The previous prime is 10020021230117. The next prime is 10020021230143. The reversal of 10020021230121 is 12103212002001.

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

It is not a de Polignac number, because 10020021230121 - 22 = 10020021230117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10020021230121.

It is not an unprimeable number, because it can be changed into a prime (10020021230161) 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, 238571934030 + ... + 238571934071.

It is an arithmetic number, because the mean of its divisors is an integer number (1908575472408).

Almost surely, 210020021230121 is an apocalyptic number.

It is an amenable number.

10020021230121 is a deficient number, since it is larger than the sum of its proper divisors (5248582549143).

10020021230121 is an equidigital number, since it uses as much as digits as its factorization.

10020021230121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477143868111.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10020021230121 its reverse (12103212002001), we get a palindrome (22123233232122).

The spelling of 10020021230121 in words is "ten trillion, twenty billion, twenty-one million, two hundred thirty thousand, one hundred twenty-one".

Divisors: 1 3 7 21 477143868101 1431431604303 3340007076707 10020021230121