Search a number
-
+
30214333980 = 22325677247943
BaseRepresentation
bin11100001000111010…
…100010011000011100
32212222200121012022200
4130020322202120130
5443334332141410
621514050011500
72116511413155
oct341072423034
985880535280
1030214333980
11118a5227356
125a32876b90
132b068ca83c
141668abc92c
15bbc8653c0
hex708ea261c

30214333980 has 72 divisors (see below), whose sum is σ = 91785893472. Its totient is φ = 8045222016.

The previous prime is 30214333979. The next prime is 30214333991. The reversal of 30214333980 is 8933341203.

30214333980 is a `hidden beast` number, since 30 + 214 + 3 + 339 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2112 + ... + 245831.

It is an arithmetic number, because the mean of its divisors is an integer number (1274804076).

Almost surely, 230214333980 is an apocalyptic number.

30214333980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30214333980 is an abundant number, since it is smaller than the sum of its proper divisors (61571559492).

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

30214333980 is a wasteful number, since it uses less digits than its factorization.

30214333980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248635 (or 248630 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The spelling of 30214333980 in words is "thirty billion, two hundred fourteen million, three hundred thirty-three thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 677 1354 2031 2708 3385 4062 6093 6770 8124 10155 12186 13540 20310 24372 30465 40620 60930 121860 247943 495886 743829 991772 1239715 1487658 2231487 2479430 2975316 3719145 4462974 4958860 7438290 8925948 11157435 14876580 22314870 44629740 167857411 335714822 503572233 671429644 839287055 1007144466 1510716699 1678574110 2014288932 2517861165 3021433398 3357148220 5035722330 6042866796 7553583495 10071444660 15107166990 30214333980