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1012102020001 = 8919957145391
BaseRepresentation
bin11101011101001011111…
…10110011101110100001
310120202102010111201222001
432232211332303232201
5113040241104120001
62052541522444001
7133056555140122
oct16564576635641
93522363451861
101012102020001
11360259228716
1214419ab03601
1374596600417
1436db3820049
151b4d8e3a001
hexeba5fb3ba1

1012102020001 has 8 divisors (see below), whose sum is σ = 1028617056000. Its totient is φ = 995701275360.

The previous prime is 1012102019977. The next prime is 1012102020023. The reversal of 1012102020001 is 1000202012101.

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 1012102020001 - 215 = 1012101987233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1012102020001.

It is not an unprimeable number, because it can be changed into a prime (1012102020101) 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, 28554985 + ... + 28590406.

It is an arithmetic number, because the mean of its divisors is an integer number (128577132000).

Almost surely, 21012102020001 is an apocalyptic number.

It is an amenable number.

1012102020001 is a deficient number, since it is larger than the sum of its proper divisors (16515035999).

1012102020001 is an equidigital number, since it uses as much as digits as its factorization.

1012102020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57145679.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1012102020001 its reverse (1000202012101), we get a palindrome (2012304032102).

The spelling of 1012102020001 in words is "one trillion, twelve billion, one hundred two million, twenty thousand, one".

Divisors: 1 89 199 17711 57145391 5085939799 11371932809 1012102020001