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2112203030 = 257471813547
BaseRepresentation
bin111110111100101…
…1010100100010110
312110012111000211212
41331321122210112
513311210444110
6545331501422
7103225300220
oct17571324426
95405430755
102112203030
11994313443
124ab457872
132787a13a2
14160745410
15c5677e05
hex7de5a916

2112203030 has 64 divisors (see below), whose sum is σ = 4463327232. Its totient is φ = 704661120.

The previous prime is 2112203003. The next prime is 2112203047. The reversal of 2112203030 is 303022112.

It is a happy number.

It is a super-2 number, since 2×21122030302 = 8922803279882361800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2112202996 and 2112203014.

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, 593717 + ... + 597263.

It is an arithmetic number, because the mean of its divisors is an integer number (69739488).

Almost surely, 22112203030 is an apocalyptic number.

2112203030 is an abundant number, since it is smaller than the sum of its proper divisors (2351124202).

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

2112203030 is a wasteful number, since it uses less digits than its factorization.

2112203030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2112203030 is about 45958.7100558752. The cubic root of 2112203030 is about 1283.0548434143.

Adding to 2112203030 its reverse (303022112), we get a palindrome (2415225142).

The spelling of 2112203030 in words is "two billion, one hundred twelve million, two hundred three thousand, thirty".

Divisors: 1 2 5 7 10 14 35 47 70 94 181 235 329 362 470 658 905 1267 1645 1810 2534 3290 3547 6335 7094 8507 12670 17014 17735 24829 35470 42535 49658 59549 85070 119098 124145 166709 248290 297745 333418 595490 642007 833545 1166963 1284014 1667090 2333926 3210035 4494049 5834815 6420070 8988098 11669630 22470245 30174329 44940490 60348658 150871645 211220303 301743290 422440606 1056101515 2112203030