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1081495190 = 25234702153
BaseRepresentation
bin100000001110110…
…0100111010010110
32210101000122111102
41000131210322112
54203330321230
6255152110102
735541362126
oct10035447226
92711018442
101081495190
11505526386
12262235332
131430a1ca9
14a38c2c86
1564e2d045
hex40764e96

1081495190 has 16 divisors (see below), whose sum is σ = 2031330528. Its totient is φ = 413789376.

The previous prime is 1081495183. The next prime is 1081495211. The reversal of 1081495190 is 915941801.

It is a super-2 number, since 2×10814951902 = 2339263691986272200, which contains 22 as substring.

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, 2350847 + ... + 2351306.

It is an arithmetic number, because the mean of its divisors is an integer number (126958158).

Almost surely, 21081495190 is an apocalyptic number.

1081495190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1081495190 is a deficient number, since it is larger than the sum of its proper divisors (949835338).

1081495190 is a wasteful number, since it uses less digits than its factorization.

1081495190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4702183.

The product of its (nonzero) digits is 12960, while the sum is 38.

The square root of 1081495190 is about 32886.0941736777. The cubic root of 1081495190 is about 1026.4588198509.

The spelling of 1081495190 in words is "one billion, eighty-one million, four hundred ninety-five thousand, one hundred ninety".

Divisors: 1 2 5 10 23 46 115 230 4702153 9404306 23510765 47021530 108149519 216299038 540747595 1081495190