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1220033133 = 321112323567
BaseRepresentation
bin100100010111000…
…0011101001101101
310011000201002211100
41020232003221231
54444312030013
6321021313313
742143052624
oct11056035155
93130632740
101220033133
11576749a50
122a0705839
131659b99c7
14b80666bb
1572196473
hex48b83a6d

1220033133 has 12 divisors (see below), whose sum is σ = 1922476608. Its totient is φ = 739413960.

The previous prime is 1220033131. The next prime is 1220033141. The reversal of 1220033133 is 3313300221.

It is not a de Polignac number, because 1220033133 - 21 = 1220033131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220033131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6161685 + ... + 6161882.

It is an arithmetic number, because the mean of its divisors is an integer number (160206384).

Almost surely, 21220033133 is an apocalyptic number.

It is an amenable number.

1220033133 is a deficient number, since it is larger than the sum of its proper divisors (702443475).

1220033133 is a wasteful number, since it uses less digits than its factorization.

1220033133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12323584 (or 12323581 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1220033133 is about 34928.9726874410. The cubic root of 1220033133 is about 1068.5394031748.

Adding to 1220033133 its reverse (3313300221), we get a palindrome (4533333354).

The spelling of 1220033133 in words is "one billion, two hundred twenty million, thirty-three thousand, one hundred thirty-three".

Divisors: 1 3 9 11 33 99 12323567 36970701 110912103 135559237 406677711 1220033133