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2111232012 = 223891976809
BaseRepresentation
bin111110111010110…
…1101100000001100
312110010122200212020
41331311231200030
513310433411022
6545255010140
7103214114241
oct17565554014
95403580766
102111232012
1199380a94a
124ab069950
13278521416
141605715c8
15c553535c
hex7dd6d80c

2111232012 has 24 divisors (see below), whose sum is σ = 4981561200. Its totient is φ = 695836416.

The previous prime is 2111232001. The next prime is 2111232041. The reversal of 2111232012 is 2102321112.

It is a junction number, because it is equal to n+sod(n) for n = 2111231982 and 2111232000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 987337 + ... + 989472.

It is an arithmetic number, because the mean of its divisors is an integer number (207565050).

Almost surely, 22111232012 is an apocalyptic number.

It is an amenable number.

2111232012 is an abundant number, since it is smaller than the sum of its proper divisors (2870329188).

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

2111232012 is a wasteful number, since it uses less digits than its factorization.

2111232012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976905 (or 1976903 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2111232012 is about 45948.1448156506. The cubic root of 2111232012 is about 1282.8581987585.

Adding to 2111232012 its reverse (2102321112), we get a palindrome (4213553124).

The spelling of 2111232012 in words is "two billion, one hundred eleven million, two hundred thirty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 89 178 267 356 534 1068 1976809 3953618 5930427 7907236 11860854 23721708 175936001 351872002 527808003 703744004 1055616006 2111232012