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288430139244 = 2231310931691593
BaseRepresentation
bin1000011001001111100…
…01101010011101101100
31000120111012012012111210
410030213301222131230
514211201103423434
6340300350514420
726560365506022
oct4144761523554
91016435165453
10288430139244
11101360326705
1247a96805a10
1321277b2bb60
14dd626d2712
157781aa6ee9
hex4327c6a76c

288430139244 has 48 divisors (see below), whose sum is σ = 725436703712. Its totient is φ = 88666486272.

The previous prime is 288430139227. The next prime is 288430139287. The reversal of 288430139244 is 442931034882.

288430139244 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 288430139193 and 288430139202.

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, 675289 + ... + 1016304.

Almost surely, 2288430139244 is an apocalyptic number.

It is an amenable number.

288430139244 is an abundant number, since it is smaller than the sum of its proper divisors (437006564468).

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

288430139244 is a wasteful number, since it uses less digits than its factorization.

288430139244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692706 (or 1692704 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 48.

The spelling of 288430139244 in words is "two hundred eighty-eight billion, four hundred thirty million, one hundred thirty-nine thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 1093 2186 3279 4372 6558 13116 14209 28418 42627 56836 85254 170508 1691593 3383186 5074779 6766372 10149558 20299116 21990709 43981418 65972127 87962836 131944254 263888508 1848911149 3697822298 5546733447 7395644596 11093466894 22186933788 24035844937 48071689874 72107534811 96143379748 144215069622 288430139244