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1111303213 = 23127380453
BaseRepresentation
bin100001000111101…
…0010010000101101
32212110010001102021
41002033102100231
54233443200323
6302135030141
736352631026
oct10217222055
92773101367
101111303213
11520335609
1227020b351
1314930a787
14a7841c4d
156786a05d
hex423d242d

1111303213 has 8 divisors (see below), whose sum is σ = 1168754688. Its totient is φ = 1054612944.

The previous prime is 1111303211. The next prime is 1111303231. The reversal of 1111303213 is 3123031111.

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 1111303213 - 21 = 1111303211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111303211) 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, 187306 + ... + 193147.

It is an arithmetic number, because the mean of its divisors is an integer number (146094336).

Almost surely, 21111303213 is an apocalyptic number.

It is an amenable number.

1111303213 is a deficient number, since it is larger than the sum of its proper divisors (57451475).

1111303213 is a wasteful number, since it uses less digits than its factorization.

1111303213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380603.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1111303213 is about 33336.2147371293. The cubic root of 1111303213 is about 1035.8038557350.

Adding to 1111303213 its reverse (3123031111), we get a palindrome (4234334324).

The spelling of 1111303213 in words is "one billion, one hundred eleven million, three hundred three thousand, two hundred thirteen".

Divisors: 1 23 127 2921 380453 8750419 48317531 1111303213