Search a number
-
+
210201109999990 = 25173317813726787
BaseRepresentation
bin101111110010110101000010…
…011111100011000101110110
31000120021000210202210211121221
4233302311002133203011312
5210022413333124444430
62023021020135500554
762163346313531524
oct5762650237430566
91016230722724557
10210201109999990
1160a81876732a2a
121b6aa47252775a
139039b586a8aa5
1439c9b06417314
151947c2eb1557a
hexbf2d427e3176

210201109999990 has 32 divisors (see below), whose sum is σ = 400619901093984. Its totient is φ = 79134275781120.

The previous prime is 210201109999957. The next prime is 210201110000009. The reversal of 210201109999990 is 99999901102012.

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, 54539377 + ... + 58266163.

It is an arithmetic number, because the mean of its divisors is an integer number (12519371909187).

Almost surely, 2210201109999990 is an apocalyptic number.

210201109999990 is a deficient number, since it is larger than the sum of its proper divisors (190418791093994).

210201109999990 is a wasteful number, since it uses less digits than its factorization.

210201109999990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4058592.

The product of its (nonzero) digits is 2125764, while the sum is 61.

The spelling of 210201109999990 in words is "two hundred ten trillion, two hundred one billion, one hundred nine million, nine hundred ninety-nine thousand, nine hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 331781 663562 1658905 3317810 3726787 5640277 7453574 11280554 18633935 28201385 37267870 56402770 63355379 126710758 316776895 633553790 1236477117647 2472954235294 6182385588235 12364771176470 21020110999999 42040221999998 105100554999995 210201109999990