Search a number
-
+
2111302231052 = 22795717787777
BaseRepresentation
bin11110101110010011011…
…010110110010000001100
321110211122021122000111212
4132232103122312100030
5234042421332343202
64253530250033552
7305352015600350
oct36562332662014
97424567560455
102111302231052
11744442082403
122a1226a188b8
1312413079a8a1
147428a9b5460
1539dbe5a6652
hex1eb936b640c

2111302231052 has 24 divisors (see below), whose sum is σ = 4222653937824. Its totient is φ = 904833211392.

The previous prime is 2111302231037. The next prime is 2111302231069. The reversal of 2111302231052 is 2501322031112.

It is a super-2 number, since 2×21113022310522 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2286188 + ... + 3073964.

It is an arithmetic number, because the mean of its divisors is an integer number (175943914076).

Almost surely, 22111302231052 is an apocalyptic number.

It is an amenable number.

2111302231052 is an abundant number, since it is smaller than the sum of its proper divisors (2111351706772).

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

2111302231052 is a wasteful number, since it uses less digits than its factorization.

2111302231052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883505 (or 883503 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 2111302231052 its reverse (2501322031112), we get a palindrome (4612624262164).

The spelling of 2111302231052 in words is "two trillion, one hundred eleven billion, three hundred two million, two hundred thirty-one thousand, fifty-two".

Divisors: 1 2 4 7 14 28 95717 191434 382868 670019 787777 1340038 1575554 2680076 3151108 5514439 11028878 22057756 75403651109 150807302218 301614604436 527825557763 1055651115526 2111302231052