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2000021010001 = 76913947104759
BaseRepresentation
bin11101000110101010100…
…010101011011001010001
321002012101220101021021021
4131012222202223121101
5230232020334310001
64130444051155441
7264332246041510
oct35065242533121
97065356337237
102000021010001
117012277a0a23
1228374aba5b81
131167a7a0c421
146cb3159c677
1537059c7cba1
hex1d1aa8ab651

2000021010001 has 16 divisors (see below), whose sum is σ = 2289647969280. Its totient is φ = 1711372781520.

The previous prime is 2000021009993. The next prime is 2000021010011. The reversal of 2000021010001 is 1000101200002.

It is a cyclic number.

It is not a de Polignac number, because 2000021010001 - 23 = 2000021009993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is not an unprimeable number, because it can be changed into a prime (2000021010011) 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, 19039260 + ... + 19144018.

It is an arithmetic number, because the mean of its divisors is an integer number (143102998080).

Almost surely, 22000021010001 is an apocalyptic number.

It is an amenable number.

2000021010001 is a deficient number, since it is larger than the sum of its proper divisors (289626959279).

2000021010001 is a wasteful number, since it uses less digits than its factorization.

2000021010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109404.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 2000021010001 its reverse (1000101200002), we get a palindrome (3000122210003).

The spelling of 2000021010001 in words is "two trillion, twenty-one million, ten thousand, one".

Divisors: 1 7 691 3947 4837 27629 104759 733313 2727377 19091639 72388469 413483773 506719283 2894386411 285717287143 2000021010001