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20211010001 = 713222099011
BaseRepresentation
bin10010110100101010…
…111000100111010001
31221011112120200112222
4102310222320213101
5312343004310001
613141304030425
71313563515260
oct226452704721
957145520488
1020211010001
118631651a56
123b00762415
131ba1318420
14d9a3325d7
157d454c61b
hex4b4ab89d1

20211010001 has 8 divisors (see below), whose sum is σ = 24875089344. Its totient is φ = 15991128720.

The previous prime is 20211009979. The next prime is 20211010003. The reversal of 20211010001 is 10001011202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-20211010001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20211010003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111049415 + ... + 111049596.

It is an arithmetic number, because the mean of its divisors is an integer number (3109386168).

Almost surely, 220211010001 is an apocalyptic number.

It is an amenable number.

20211010001 is a deficient number, since it is larger than the sum of its proper divisors (4664079343).

20211010001 is a wasteful number, since it uses less digits than its factorization.

20211010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222099031.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20211010001 its reverse (10001011202), we get a palindrome (30212021203).

The spelling of 20211010001 in words is "twenty billion, two hundred eleven million, ten thousand, one".

Divisors: 1 7 13 91 222099011 1554693077 2887287143 20211010001