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1122315030 = 2325101311397
BaseRepresentation
bin100001011100101…
…0010101100010110
32220012211111210100
41002321102230112
54244303040110
6303211034530
736545343324
oct10271225426
92805744710
101122315030
11526576991
12273a3ba46
1314b694a45
14a90aad14
15687e2bc0
hex42e52b16

1122315030 has 96 divisors (see below), whose sum is σ = 2963832768. Its totient is φ = 294624000.

The previous prime is 1122314989. The next prime is 1122315037. The reversal of 1122315030 is 305132211.

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

It is a junction number, because it is equal to n+sod(n) for n = 1122314994 and 1122315012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122315037) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2826792 + ... + 2827188.

It is an arithmetic number, because the mean of its divisors is an integer number (30873258).

Almost surely, 21122315030 is an apocalyptic number.

1122315030 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 1122315030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1481916384).

1122315030 is an abundant number, since it is smaller than the sum of its proper divisors (1841517738).

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

1122315030 is a wasteful number, since it uses less digits than its factorization.

1122315030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822 (or 819 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1122315030 is about 33500.9705829548. The cubic root of 1122315030 is about 1039.2138505391.

Adding to 1122315030 its reverse (305132211), we get a palindrome (1427447241).

The spelling of 1122315030 in words is "one billion, one hundred twenty-two million, three hundred fifteen thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 101 202 303 311 397 505 606 622 794 909 933 1010 1191 1515 1555 1818 1866 1985 2382 2799 3030 3110 3573 3970 4545 4665 5598 5955 7146 9090 9330 11910 13995 17865 27990 31411 35730 40097 62822 80194 94233 120291 123467 157055 188466 200485 240582 246934 282699 314110 360873 370401 400970 471165 565398 601455 617335 721746 740802 942330 1111203 1202910 1234670 1413495 1804365 1852005 2222406 2826990 3608730 3704010 5556015 11112030 12470167 24940334 37410501 62350835 74821002 112231503 124701670 187052505 224463006 374105010 561157515 1122315030