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21023231002201 = 411937926459659
BaseRepresentation
bin1001100011110110110100…
…01101110100011001011001
32202102210122010010010011201
410301323122031310121121
510223421034114032301
6112413534453354201
74266610156026211
oct461733215643131
982383563103151
1021023231002201
1167759a190a7aa
122436539638961
13b9663645bc0c
1452975bb25241
15266ce0d3c201
hex131eda374659

21023231002201 has 8 divisors (see below), whose sum is σ = 21537104853600. Its totient is φ = 20509410108960.

The previous prime is 21023231002187. The next prime is 21023231002211. The reversal of 21023231002201 is 10220013232012.

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 21023231002201 - 27 = 21023231002073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21023231002211) 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, 12435291 + ... + 14024368.

It is an arithmetic number, because the mean of its divisors is an integer number (2692138106700).

Almost surely, 221023231002201 is an apocalyptic number.

It is an amenable number.

21023231002201 is a deficient number, since it is larger than the sum of its proper divisors (513873851399).

21023231002201 is a wasteful number, since it uses less digits than its factorization.

21023231002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26479079.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21023231002201 its reverse (10220013232012), we get a palindrome (31243244234213).

The spelling of 21023231002201 in words is "twenty-one trillion, twenty-three billion, two hundred thirty-one million, two thousand, two hundred one".

Divisors: 1 41 19379 794539 26459659 1084846019 512761731761 21023231002201