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1085988670 = 251349916741
BaseRepresentation
bin100000010111010…
…1101111100111110
32210200110221101121
41000232231330332
54211003114140
6255432301154
735624515504
oct10056557476
92720427347
101085988670
115080153a8
122638417ba
13143cb6360
14a4332674
156551964a
hex40badf3e

1085988670 has 32 divisors (see below), whose sum is σ = 2109492000. Its totient is φ = 400152960.

The previous prime is 1085988653. The next prime is 1085988703. The reversal of 1085988670 is 768895801.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 56500 + ... + 73240.

It is an arithmetic number, because the mean of its divisors is an integer number (65921625).

Almost surely, 21085988670 is an apocalyptic number.

1085988670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1085988670 is a deficient number, since it is larger than the sum of its proper divisors (1023503330).

1085988670 is a wasteful number, since it uses less digits than its factorization.

1085988670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17260.

The product of its (nonzero) digits is 967680, while the sum is 52.

The square root of 1085988670 is about 32954.3422025080. The cubic root of 1085988670 is about 1027.8784590621.

The spelling of 1085988670 in words is "one billion, eighty-five million, nine hundred eighty-eight thousand, six hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 499 998 2495 4990 6487 12974 16741 32435 33482 64870 83705 167410 217633 435266 1088165 2176330 8353759 16707518 41768795 83537590 108598867 217197734 542994335 1085988670