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12830648484 = 2237321536803
BaseRepresentation
bin10111111001100010…
…00010100010100100
31020010012010110212010
423330301002202210
5202234121222414
65521101154220
7632645466303
oct137461024244
936105113763
1012830648484
115494626125
1225a0b5b970
1312962888c4
1489a08443a
1550164d959
hex2fcc428a4

12830648484 has 48 divisors (see below), whose sum is σ = 30366850752. Its totient is φ = 4215716352.

The previous prime is 12830648477. The next prime is 12830648531. The reversal of 12830648484 is 48484603821.

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, 1882627 + ... + 1889429.

It is an arithmetic number, because the mean of its divisors is an integer number (632642724).

Almost surely, 212830648484 is an apocalyptic number.

It is an amenable number.

12830648484 is an abundant number, since it is smaller than the sum of its proper divisors (17536202268).

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

12830648484 is a wasteful number, since it uses less digits than its factorization.

12830648484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9036 (or 9034 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 48.

The spelling of 12830648484 in words is "twelve billion, eight hundred thirty million, six hundred forty-eight thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 12 73 146 219 292 438 876 2153 4306 6459 6803 8612 12918 13606 20409 25836 27212 40818 81636 157169 314338 471507 496619 628676 943014 993238 1489857 1886028 1986476 2979714 5959428 14646859 29293718 43940577 58587436 87881154 175762308 1069220707 2138441414 3207662121 4276882828 6415324242 12830648484