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285802621231054 = 21131279957585577
BaseRepresentation
bin100000011111011111001101…
…1101101101101111111001110
31101110221110112002001021121211
41000332332123231231333032
5244430042232013343204
62451503524525045034
7114125362246210354
oct10076763355557716
91343843462037554
10285802621231054
118307a23590a3a4
122807a5676b677a
13c3620c12294c5
145080cc64937d4
1523095ae6b2804
hex103ef9bb6dfce

285802621231054 has 16 divisors (see below), whose sum is σ = 435903266262528. Its totient is φ = 140521447648512.

The previous prime is 285802621230991. The next prime is 285802621231111. The reversal of 285802621231054 is 450132126208582.

It is a junction number, because it is equal to n+sod(n) for n = 285802621230989 and 285802621231007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4978764087 + ... + 4978821490.

It is an arithmetic number, because the mean of its divisors is an integer number (27243954141408).

Almost surely, 2285802621231054 is an apocalyptic number.

285802621231054 is a deficient number, since it is larger than the sum of its proper divisors (150100645031474).

285802621231054 is a wasteful number, since it uses less digits than its factorization.

285802621231054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9957585819.

The product of its (nonzero) digits is 1843200, while the sum is 49.

The spelling of 285802621231054 in words is "two hundred eighty-five trillion, eight hundred two billion, six hundred twenty-one million, two hundred thirty-one thousand, fifty-four".

Divisors: 1 2 113 127 226 254 14351 28702 9957585577 19915171154 1125207170201 1264613368279 2250414340402 2529226736558 142901310615527 285802621231054