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302001013021 = 19232557270269
BaseRepresentation
bin1000110010100001010…
…10011100000100011101
31001212111222012000120111
410121100222130010131
514421444224404041
6350423133450021
730550603153501
oct4312052340435
91055458160514
10302001013021
11107094775a74
124a643640911
132262b56c096
141088cbc2301
157cc81c1981
hex4650a9c11d

302001013021 has 16 divisors (see below), whose sum is σ = 331848316800. Its totient is φ = 273558783168.

The previous prime is 302001013003. The next prime is 302001013031. The reversal of 302001013021 is 120310100203.

It is a cyclic number.

It is not a de Polignac number, because 302001013021 - 219 = 302000488733 is a prime.

It is a super-2 number, since 2×3020010130212 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 302001012992 and 302001013010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302001013031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 982275 + ... + 1252543.

It is an arithmetic number, because the mean of its divisors is an integer number (20740519800).

Almost surely, 2302001013021 is an apocalyptic number.

It is an amenable number.

302001013021 is a deficient number, since it is larger than the sum of its proper divisors (29847303779).

302001013021 is a wasteful number, since it uses less digits than its factorization.

302001013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272868.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 302001013021 its reverse (120310100203), we get a palindrome (422311113224).

The spelling of 302001013021 in words is "three hundred two billion, one million, thirteen thousand, twenty-one".

Divisors: 1 19 23 437 2557 48583 58811 270269 1117409 5135111 6216187 118107553 691077833 13130478827 15894790159 302001013021