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1130220630 = 2325711315261
BaseRepresentation
bin100001101011101…
…1100110001010110
32220202201011020100
41003113130301112
54303314030010
6304052314530
740002500610
oct10327346126
92822634210
101130220630
1152aa86540
12276612a46
13150202206
14aa167db0
15693552c0
hex435dcc56

1130220630 has 192 divisors, whose sum is σ = 3782578176. Its totient is φ = 227232000.

The previous prime is 1130220617. The next prime is 1130220631. The reversal of 1130220630 is 360220311.

1130220630 is a `hidden beast` number, since 1 + 1 + 30 + 2 + 2 + 0 + 630 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130220631) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 212200 + ... + 217460.

It is an arithmetic number, because the mean of its divisors is an integer number (19700928).

Almost surely, 21130220630 is an apocalyptic number.

1130220630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1130220630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1891289088).

1130220630 is an abundant number, since it is smaller than the sum of its proper divisors (2652357546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1130220630 is a wasteful number, since it uses less digits than its factorization.

1130220630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5323 (or 5320 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1130220630 is about 33618.7541411040. The cubic root of 1130220630 is about 1041.6482216538.

Adding to 1130220630 its reverse (360220311), we get a palindrome (1490440941).

The spelling of 1130220630 in words is "one billion, one hundred thirty million, two hundred twenty thousand, six hundred thirty".