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30020100001 = 411181619981
BaseRepresentation
bin11011111101010101…
…100101111110100001
32212111011010002101121
4123331111211332201
5442440121200001
621442510532241
72111632432303
oct337525457641
985434102347
1030020100001
1111805622501
125999807081
132aa55b1ba8
14164ad9b973
15baa7996a1
hex6fd565fa1

30020100001 has 8 divisors (see below), whose sum is σ = 30778386408. Its totient is φ = 29263056000.

The previous prime is 30020099983. The next prime is 30020100017. The reversal of 30020100001 is 10000102003.

It can be written as a sum of positive squares in 4 ways, for example, as 4123566225 + 25896533776 = 64215^2 + 160924^2 .

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 30020100001 - 27 = 30020099873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30020100041) 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, 261570 + ... + 358411.

It is an arithmetic number, because the mean of its divisors is an integer number (3847298301).

Almost surely, 230020100001 is an apocalyptic number.

It is an amenable number.

30020100001 is a deficient number, since it is larger than the sum of its proper divisors (758286407).

30020100001 is a wasteful number, since it uses less digits than its factorization.

30020100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621203.

The product of its (nonzero) digits is 6, while the sum is 7.

Adding to 30020100001 its reverse (10000102003), we get a palindrome (40020202004).

The spelling of 30020100001 in words is "thirty billion, twenty million, one hundred thousand, one".

Divisors: 1 41 1181 48421 619981 25419221 732197561 30020100001