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10230312200021 = 29334915741297
BaseRepresentation
bin1001010011011110111000…
…0111111110011101010101
31100020000020001021020121122
42110313232013332131111
52320103134410400041
633431423542453325
72104054446631304
oct224675607763525
940200201236548
1010230312200021
1132947185957a1
121192852a34245
1359293941c614
14275214cc643b
1512b1a960ec4b
hex94dee1fe755

10230312200021 has 4 divisors (see below), whose sum is σ = 10265227941612. Its totient is φ = 10195396458432.

The previous prime is 10230312199993. The next prime is 10230312200033. The reversal of 10230312200021 is 12000221303201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4793888355025 + 5436423844996 = 2189495^2 + 2331614^2 .

It is a cyclic number.

It is not a de Polignac number, because 10230312200021 - 222 = 10230308005717 is a prime.

It is a super-2 number, since 2×102303122000212 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10230312206021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17457870356 + ... + 17457870941.

It is an arithmetic number, because the mean of its divisors is an integer number (2566306985403).

Almost surely, 210230312200021 is an apocalyptic number.

It is an amenable number.

10230312200021 is a deficient number, since it is larger than the sum of its proper divisors (34915741591).

10230312200021 is an equidigital number, since it uses as much as digits as its factorization.

10230312200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34915741590.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10230312200021 its reverse (12000221303201), we get a palindrome (22230533503222).

The spelling of 10230312200021 in words is "ten trillion, two hundred thirty billion, three hundred twelve million, two hundred thousand, twenty-one".

Divisors: 1 293 34915741297 10230312200021