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1085749831670 = 2572109113179899
BaseRepresentation
bin11111100110010111011…
…10111010011111110110
310211210111202212012201112
433303023232322133312
5120242103424103140
62150441522555022
7141304615203200
oct17631356723766
93753452765645
101085749831670
11389511524679
12156513508a72
137b5026c81ca
143a79caad770
151d399903c65
hexfccbbba7f6

1085749831670 has 96 divisors (see below), whose sum is σ = 2314600596000. Its totient is φ = 365575762944.

The previous prime is 1085749831657. The next prime is 1085749831681. The reversal of 1085749831670 is 761389475801.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5945381 + ... + 6125279.

It is an arithmetic number, because the mean of its divisors is an integer number (24110422875).

Almost surely, 21085749831670 is an apocalyptic number.

1085749831670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1085749831670 is an abundant number, since it is smaller than the sum of its proper divisors (1228850764330).

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

1085749831670 is a wasteful number, since it uses less digits than its factorization.

1085749831670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180142 (or 180135 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 59.

The spelling of 1085749831670 in words is "one trillion, eighty-five billion, seven hundred forty-nine million, eight hundred thirty-one thousand, six hundred seventy".

Divisors: 1 2 5 7 10 14 35 49 70 98 109 113 218 226 245 490 545 565 763 791 1090 1130 1526 1582 3815 3955 5341 5537 7630 7910 10682 11074 12317 24634 26705 27685 53410 55370 61585 86219 123170 172438 179899 359798 431095 603533 862190 899495 1207066 1259293 1798990 2518586 3017665 6035330 6296465 8815051 12592930 17630102 19608991 20328587 39217982 40657174 44075255 88150510 98044955 101642935 137262937 142300109 196089910 203285870 274525874 284600218 686314685 711500545 960840559 996100763 1372629370 1423001090 1921681118 1992201526 2215815983 4431631966 4804202795 4980503815 9608405590 9961007630 11079079915 15510711881 22158159830 31021423762 77553559405 108574983167 155107118810 217149966334 542874915835 1085749831670