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112211012020 = 2255610550601
BaseRepresentation
bin110100010000001001…
…1000010100110110100
3101201122011211000200011
41220200103002212310
53314302004341040
6123314331230004
711051456602432
oct1504023024664
9351564730604
10112211012020
1143652211178
12198b72a8304
13a7735b5943
145606ac9d52
152dbb28c3ea
hex1a204c29b4

112211012020 has 12 divisors (see below), whose sum is σ = 235643125284. Its totient is φ = 44884404800.

The previous prime is 112211011999. The next prime is 112211012051. The reversal of 112211012020 is 20210112211.

It can be written as a sum of positive squares in 2 ways, for example, as 33987872164 + 78223139856 = 184358^2 + 279684^2 .

It is a super-2 number, since 2×1122110120202 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2805275281 + ... + 2805275320.

It is an arithmetic number, because the mean of its divisors is an integer number (19636927107).

Almost surely, 2112211012020 is an apocalyptic number.

112211012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112211012020 is an abundant number, since it is smaller than the sum of its proper divisors (123432113264).

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

112211012020 is a wasteful number, since it uses less digits than its factorization.

112211012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5610550610 (or 5610550608 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112211012020 its reverse (20210112211), we get a palindrome (132421124231).

The spelling of 112211012020 in words is "one hundred twelve billion, two hundred eleven million, twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 5610550601 11221101202 22442202404 28052753005 56105506010 112211012020