Search a number
-
+
1031089071090 = 235137243365017
BaseRepresentation
bin11110000000100011011…
…00101010001111110010
310122120102100222212112110
433000101230222033302
5113343132300233330
62105401545110150
7134331230332161
oct17002154521762
93576370885473
101031089071090
1136831199a181
121479b9788356
1376301185cb0
1437c953873d8
151bc4acb7db0
hexf011b2a3f2

1031089071090 has 64 divisors (see below), whose sum is σ = 2665343915136. Its totient is φ = 253770803712.

The previous prime is 1031089071043. The next prime is 1031089071139. The reversal of 1031089071090 is 901709801301.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2642262 + ... + 3007278.

It is an arithmetic number, because the mean of its divisors is an integer number (41645998674).

Almost surely, 21031089071090 is an apocalyptic number.

1031089071090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031089071090 is an abundant number, since it is smaller than the sum of its proper divisors (1634254844046).

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

1031089071090 is a wasteful number, since it uses less digits than its factorization.

1031089071090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372283.

The product of its (nonzero) digits is 13608, while the sum is 39.

The spelling of 1031089071090 in words is "one trillion, thirty-one billion, eighty-nine million, seventy-one thousand, ninety".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 7243 14486 21729 36215 43458 72430 94159 108645 188318 217290 282477 365017 470795 564954 730034 941590 1095051 1412385 1825085 2190102 2824770 3650170 4745221 5475255 9490442 10950510 14235663 23726105 28471326 47452210 71178315 142356630 2643818131 5287636262 7931454393 13219090655 15862908786 26438181310 34369635703 39657271965 68739271406 79314543930 103108907109 171848178515 206217814218 343696357030 515544535545 1031089071090