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1130100221 = 19283210173
BaseRepresentation
bin100001101011011…
…1111010111111101
32220202111001001202
41003112333113331
54303301201341
6304045545245
740001456555
oct10326772775
92822431052
101130100221
1152aa04028
12276575225
1315018c473
14aa136165
156932e79b
hex435bf5fd

1130100221 has 8 divisors (see below), whose sum is σ = 1193788320. Its totient is φ = 1066833072.

The previous prime is 1130100203. The next prime is 1130100227. The reversal of 1130100221 is 1220010311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1130100221 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 (1130100227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99710 + ... + 110463.

It is an arithmetic number, because the mean of its divisors is an integer number (149223540).

Almost surely, 21130100221 is an apocalyptic number.

It is an amenable number.

1130100221 is a deficient number, since it is larger than the sum of its proper divisors (63688099).

1130100221 is a wasteful number, since it uses less digits than its factorization.

1130100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210475.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1130100221 is about 33616.9632923618. The cubic root of 1130100221 is about 1041.6112293853.

Adding to 1130100221 its reverse (1220010311), we get a palindrome (2350110532).

The spelling of 1130100221 in words is "one billion, one hundred thirty million, one hundred thousand, two hundred twenty-one".

Divisors: 1 19 283 5377 210173 3993287 59478959 1130100221