Search a number
-
+
1203032312020 = 2257111039751867
BaseRepresentation
bin10001100000011010010…
…100000100100011010100
311021000020101112112002001
4101200122110010203110
5124202302232441040
62320355421325044
7152626155633610
oct21403224044324
94230211475061
101203032312020
11424226416a90
121751a5106784
13895a38a3686
1442327142340
152146101359a
hex1181a5048d4

1203032312020 has 96 divisors (see below), whose sum is σ = 3152793047040. Its totient is φ = 374609715840.

The previous prime is 1203032311973. The next prime is 1203032312051. The reversal of 1203032312020 is 202132303021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1224127 + ... + 1975993.

It is an arithmetic number, because the mean of its divisors is an integer number (32841594240).

Almost surely, 21203032312020 is an apocalyptic number.

1203032312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1203032312020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1576396523520).

1203032312020 is an abundant number, since it is smaller than the sum of its proper divisors (1949760735020).

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

1203032312020 is a wasteful number, since it uses less digits than its factorization.

1203032312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752933 (or 752931 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1203032312020 its reverse (202132303021), we get a palindrome (1405164615041).

The spelling of 1203032312020 in words is "one trillion, two hundred three billion, thirty-two million, three hundred twelve thousand, twenty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 770 1039 1540 2078 4156 5195 7273 10390 11429 14546 20780 22858 29092 36365 45716 57145 72730 80003 114290 145460 160006 228580 320012 400015 751867 800030 1503734 1600060 3007468 3759335 5263069 7518670 8270537 10526138 15037340 16541074 21052276 26315345 33082148 41352685 52630690 57893759 82705370 105261380 115787518 165410740 231575036 289468795 578937590 781189813 1157875180 1562379626 3124759252 3905949065 5468328691 7811898130 8593087943 10936657382 15623796260 17186175886 21873314764 27341643455 34372351772 42965439715 54683286910 60151615601 85930879430 109366573820 120303231202 171861758860 240606462404 300758078005 601516156010 1203032312020