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1220354133 = 32914027059
BaseRepresentation
bin100100010111101…
…0010000001010101
310011001022102011020
41020233102001111
54444402313013
6321032231353
742145560525
oct11057220125
93131272136
101220354133
11576949139
122a083b559
13165a9cb4b
14b810b685
157220b623
hex48bd2055

1220354133 has 8 divisors (see below), whose sum is σ = 1683247200. Its totient is φ = 785515248.

The previous prime is 1220354131. The next prime is 1220354141. The reversal of 1220354133 is 3314530221.

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

It is not a de Polignac number, because 1220354133 - 21 = 1220354131 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220354131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7013443 + ... + 7013616.

It is an arithmetic number, because the mean of its divisors is an integer number (210405900).

Almost surely, 21220354133 is an apocalyptic number.

It is an amenable number.

1220354133 is a deficient number, since it is larger than the sum of its proper divisors (462893067).

1220354133 is a wasteful number, since it uses less digits than its factorization.

1220354133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14027091.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1220354133 is about 34933.5674244701. The cubic root of 1220354133 is about 1068.6331085728.

Adding to 1220354133 its reverse (3314530221), we get a palindrome (4534884354).

The spelling of 1220354133 in words is "one billion, two hundred twenty million, three hundred fifty-four thousand, one hundred thirty-three".

Divisors: 1 3 29 87 14027059 42081177 406784711 1220354133