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30554005244 = 2271935999439
BaseRepresentation
bin11100011101001010…
…010001111011111100
32220212100202021200212
4130131022101323330
51000033311131434
622011502211552
72131104521330
oct343512217374
986770667625
1030554005244
1111a59a37404
125b08583bb8
132b5c0a8659
14169bc5b7c0
15bdc5ad8ce
hex71d291efc

30554005244 has 48 divisors (see below), whose sum is σ = 61533696000. Its totient is φ = 13003600896.

The previous prime is 30554005219. The next prime is 30554005277. The reversal of 30554005244 is 44250045503.

It is a self number, because there is not a number n which added to its sum of digits gives 30554005244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3232277 + ... + 3241715.

It is an arithmetic number, because the mean of its divisors is an integer number (1281952000).

Almost surely, 230554005244 is an apocalyptic number.

It is an amenable number.

30554005244 is an abundant number, since it is smaller than the sum of its proper divisors (30979690756).

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

30554005244 is a wasteful number, since it uses less digits than its factorization.

30554005244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10242 (or 10240 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

The spelling of 30554005244 in words is "thirty billion, five hundred fifty-four million, five thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 193 386 599 772 1198 1351 2396 2702 4193 5404 8386 9439 16772 18878 37756 66073 115607 132146 231214 264292 462428 809249 1618498 1821727 3236996 3643454 5653961 7286908 11307922 12752089 22615844 25504178 39577727 51008356 79155454 158310908 1091214473 2182428946 4364857892 7638501311 15277002622 30554005244