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2085205158 = 232791466389
BaseRepresentation
bin111110001001001…
…1011010010100110
312101022200101201200
41330102123102212
513232303031113
6542525103330
7102446644221
oct17422332246
95338611650
102085205158
11980053553
124a23b7b46
1327300aa0a
1415ad185b8
15c30e3873
hex7c49b4a6

2085205158 has 24 divisors (see below), whose sum is σ = 4575136800. Its totient is φ = 686269584.

The previous prime is 2085205127. The next prime is 2085205163. The reversal of 2085205158 is 8515025802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 731773 + ... + 734616.

It is an arithmetic number, because the mean of its divisors is an integer number (190630700).

Almost surely, 22085205158 is an apocalyptic number.

2085205158 is an abundant number, since it is smaller than the sum of its proper divisors (2489931642).

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

2085205158 is a wasteful number, since it uses less digits than its factorization.

2085205158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466476 (or 1466473 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

The square root of 2085205158 is about 45664.0466669348. The cubic root of 2085205158 is about 1277.5647786617.

The spelling of 2085205158 in words is "two billion, eighty-five million, two hundred five thousand, one hundred fifty-eight".

Divisors: 1 2 3 6 9 18 79 158 237 474 711 1422 1466389 2932778 4399167 8798334 13197501 26395002 115844731 231689462 347534193 695068386 1042602579 2085205158