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2113020030 = 2351119732503
BaseRepresentation
bin111110111110010…
…0010000001111110
312110021000112120010
41331330202001332
513311413120110
6545401204050
7103235242152
oct17574420176
95407015503
102113020030
11994821250
124ab790626
132789c9214
141608b9062
15c578a020
hex7df2207e

2113020030 has 64 divisors (see below), whose sum is σ = 5560524288. Its totient is φ = 509631360.

The previous prime is 2113020023. The next prime is 2113020073. The reversal of 2113020030 is 300203112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2113019988 and 2113020015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48759 + ... + 81261.

It is an arithmetic number, because the mean of its divisors is an integer number (86883192).

Almost surely, 22113020030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2113020030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2780262144).

2113020030 is an abundant number, since it is smaller than the sum of its proper divisors (3447504258).

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

2113020030 is a wasteful number, since it uses less digits than its factorization.

2113020030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32721.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2113020030 is about 45967.5976096206. The cubic root of 2113020030 is about 1283.2202506007.

Adding to 2113020030 its reverse (300203112), we get a palindrome (2413223142).

The spelling of 2113020030 in words is "two billion, one hundred thirteen million, twenty thousand, thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 197 330 394 591 985 1182 1970 2167 2955 4334 5910 6501 10835 13002 21670 32503 32505 65006 65010 97509 162515 195018 325030 357533 487545 715066 975090 1072599 1787665 2145198 3575330 5362995 6403091 10725990 12806182 19209273 32015455 38418546 64030910 70434001 96046365 140868002 192092730 211302003 352170005 422604006 704340010 1056510015 2113020030