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2021111002106 = 27971997478893
BaseRepresentation
bin11101011010010011100…
…110100111001111111010
321011012211200220212120222
4131122103212213033322
5231103213404031411
64144252515020042
7266010005030120
oct35322346471772
97135750825528
102021111002106
1170a16a51a169
12287855b9a622
131187891726b1
146db72539910
15378915544db
hex1d6939a73fa

2021111002106 has 32 divisors (see below), whose sum is σ = 3518071737600. Its totient is φ = 852952674816.

The previous prime is 2021111002033. The next prime is 2021111002139. The reversal of 2021111002106 is 6012001111202.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3469205 + ... + 4009688.

It is an arithmetic number, because the mean of its divisors is an integer number (109939741800).

Almost surely, 22021111002106 is an apocalyptic number.

2021111002106 is a deficient number, since it is larger than the sum of its proper divisors (1496960735494).

2021111002106 is a wasteful number, since it uses less digits than its factorization.

2021111002106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7479198.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2021111002106 its reverse (6012001111202), we get a palindrome (8033112113308).

The spelling of 2021111002106 in words is "two trillion, twenty-one billion, one hundred eleven million, two thousand, one hundred six".

Divisors: 1 2 7 14 97 194 199 398 679 1358 1393 2786 19303 38606 135121 270242 7478893 14957786 52352251 104704502 725452621 1450905242 1488299707 2976599414 5078168347 10156336694 10418097949 20836195898 144365071579 288730143158 1010555501053 2021111002106