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420033310121 = 4115307669283
BaseRepresentation
bin1100001110010111110…
…11111010110110101001
31111011011211202222010202
412013023323322312221
523340212011410441
6520543255321545
742226550140655
oct6071373726651
91434154688122
10420033310121
11152153942847
12694a43802b5
13307bbba97b9
1416488a79a65
15add554419b
hex61cbefada9

420033310121 has 8 divisors (see below), whose sum is σ = 430306777824. Its totient is φ = 409761211680.

The previous prime is 420033310117. The next prime is 420033310129. The reversal of 420033310121 is 121013330024.

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 420033310121 - 22 = 420033310117 is a prime.

It is a super-2 number, since 2×4200333101212 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420033310093 and 420033310102.

It is not an unprimeable number, because it can be changed into a prime (420033310129) 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, 292946 + ... + 962228.

It is an arithmetic number, because the mean of its divisors is an integer number (53788347228).

Almost surely, 2420033310121 is an apocalyptic number.

420033310121 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

420033310121 is a deficient number, since it is larger than the sum of its proper divisors (10273467703).

420033310121 is a wasteful number, since it uses less digits than its factorization.

420033310121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684631.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 420033310121 its reverse (121013330024), we get a palindrome (541046640145).

The spelling of 420033310121 in words is "four hundred twenty billion, thirty-three million, three hundred ten thousand, one hundred twenty-one".

Divisors: 1 41 15307 627587 669283 27440603 10244714881 420033310121