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1202112223 = 13483119141
BaseRepresentation
bin100011110100110…
…1100011011011111
310002202222121221221
41013221230123133
54430220042343
6315141234211
741534533234
oct10751543337
93082877857
101202112223
11567619784
12296702967
13162083a10
14b591d78b
15708065ed
hex47a6c6df

1202112223 has 8 divisors (see below), whose sum is σ = 1294918016. Its totient is φ = 1109354400.

The previous prime is 1202112221. The next prime is 1202112253. The reversal of 1202112223 is 3222112021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1202112223 - 21 = 1202112221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202112197 and 1202112206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202112221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53233 + ... + 72373.

It is an arithmetic number, because the mean of its divisors is an integer number (161864752).

Almost surely, 21202112223 is an apocalyptic number.

1202112223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1202112223 is a deficient number, since it is larger than the sum of its proper divisors (92805793).

1202112223 is a wasteful number, since it uses less digits than its factorization.

1202112223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23985.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1202112223 is about 34671.4900602786. The cubic root of 1202112223 is about 1063.2816959056.

Adding to 1202112223 its reverse (3222112021), we get a palindrome (4424224244).

The spelling of 1202112223 in words is "one billion, two hundred two million, one hundred twelve thousand, two hundred twenty-three".

Divisors: 1 13 4831 19141 62803 248833 92470171 1202112223