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2021212000002 = 231325912974359
BaseRepresentation
bin11101011010011001100…
…111111000111100000010
321011020002201222002122210
4131122121213320330002
5231103420233000002
64144310523442550
7266012342346456
oct35323147707402
97136081862583
102021212000002
1170a2115323a8
12287883986456
131187a4075470
146db81b0a666
153789a35496c
hex1d6999f8f02

2021212000002 has 16 divisors (see below), whose sum is σ = 4353379692480. Its totient is φ = 621911384592.

The previous prime is 2021211999997. The next prime is 2021212000009. The reversal of 2021212000002 is 2000002121202.

It is not an unprimeable number, because it can be changed into a prime (2021212000009) 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, 12956487102 + ... + 12956487257.

It is an arithmetic number, because the mean of its divisors is an integer number (272086230780).

Almost surely, 22021212000002 is an apocalyptic number.

2021212000002 is an abundant number, since it is smaller than the sum of its proper divisors (2332167692478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021212000002 is a wasteful number, since it uses less digits than its factorization.

2021212000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25912974377.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2021212000002 its reverse (2000002121202), we get a palindrome (4021214121204).

The spelling of 2021212000002 in words is "two trillion, twenty-one billion, two hundred twelve million, two", and thus it is an aban number.

Divisors: 1 2 3 6 13 26 39 78 25912974359 51825948718 77738923077 155477846154 336868666667 673737333334 1010606000001 2021212000002