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30556169340 = 2235225672
BaseRepresentation
bin11100011101010010…
…100010010001111100
32220212111211020021120
4130131102202101330
51000034334404330
622012020430540
72131132103544
oct343522422174
986774736246
1030556169340
1111a60185314
125b09248450
132b5c685698
14169c262324
15bdc889c10
hex71d4a247c

30556169340 has 36 divisors (see below), whose sum is σ = 85561065576. Its totient is φ = 8147950752.

The previous prime is 30556169333. The next prime is 30556169381. The reversal of 30556169340 is 4396165503.

It is a junction number, because it is equal to n+sod(n) for n = 30556169292 and 30556169301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1342737 + ... + 1365303.

It is an arithmetic number, because the mean of its divisors is an integer number (2376696266).

Almost surely, 230556169340 is an apocalyptic number.

30556169340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30556169340 is an abundant number, since it is smaller than the sum of its proper divisors (55004896236).

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

30556169340 is an frugal number, since it uses more digits than its factorization.

30556169340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45146 (or 22577 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 42.

The spelling of 30556169340 in words is "thirty billion, five hundred fifty-six million, one hundred sixty-nine thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 22567 45134 67701 90268 112835 135402 225670 270804 338505 451340 677010 1354020 509269489 1018538978 1527808467 2037077956 2546347445 3055616934 5092694890 6111233868 7639042335 10185389780 15278084670 30556169340