Search a number
-
+
2031200023020 = 223574836190531
BaseRepresentation
bin11101100011101100111…
…101001011000111101100
321012011212211012020110020
4131203230331023013230
5231234344201214040
64153042001442140
7266515013216220
oct35435475130754
97164784166406
102031200023020
11713477506983
122897b0940350
1311970642b25c
147044c432780
1537c82148cd0
hex1d8ecf4b1ec

2031200023020 has 48 divisors (see below), whose sum is σ = 6499840075008. Its totient is φ = 464274290880.

The previous prime is 2031200023007. The next prime is 2031200023051. The reversal of 2031200023020 is 203200021302.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 2418094846 + ... + 2418095685.

It is an arithmetic number, because the mean of its divisors is an integer number (135413334896).

Almost surely, 22031200023020 is an apocalyptic number.

2031200023020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031200023020 is an abundant number, since it is smaller than the sum of its proper divisors (4468640051988).

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

2031200023020 is a wasteful number, since it uses less digits than its factorization.

2031200023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836190550 (or 4836190548 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 2031200023020 its reverse (203200021302), we get a palindrome (2234400044322).

The spelling of 2031200023020 in words is "two trillion, thirty-one billion, two hundred million, twenty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 4836190531 9672381062 14508571593 19344762124 24180952655 29017143186 33853333717 48361905310 58034286372 67706667434 72542857965 96723810620 101560001151 135413334868 145085715930 169266668585 203120002302 290171431860 338533337170 406240004604 507800005755 677066674340 1015600011510 2031200023020