Search a number
-
+
211012102020002 = 2105506051010001
BaseRepresentation
bin101111111110101000010101…
…011000100101101110100010
31000200010120010012101001100212
4233332220111120211232202
5210124210241104120002
62024441342121214122
762306056412132243
oct5776502530455642
91020116105331325
10211012102020002
1161264803574a88
121b7bb686031342
139098481a177ca
143a1707c572cca
15195dd97e1c352
hexbfea15625ba2

211012102020002 has 4 divisors (see below), whose sum is σ = 316518153030006. Its totient is φ = 105506051010000.

The previous prime is 211012102019981. The next prime is 211012102020007. The reversal of 211012102020002 is 200020201210112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 152882319264481 + 58129782755521 = 12364559^2 + 7624289^2 .

It is a super-2 number, since 2×2110121020200022 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211012102020007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52753025504999 + ... + 52753025505002.

Almost surely, 2211012102020002 is an apocalyptic number.

211012102020002 is a deficient number, since it is larger than the sum of its proper divisors (105506051010004).

211012102020002 is a wasteful number, since it uses less digits than its factorization.

211012102020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105506051010003.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211012102020002 its reverse (200020201210112), we get a palindrome (411032303230114).

The spelling of 211012102020002 in words is "two hundred eleven trillion, twelve billion, one hundred two million, twenty thousand, two".

Divisors: 1 2 105506051010001 211012102020002