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200030131320 = 233510871533503
BaseRepresentation
bin1011101001001010111…
…0011001010001111000
3201010022102222111220020
42322102232121101320
511234130203200240
6231520443530440
720310635030265
oct2722256312170
9633272874806
10200030131320
1177917881318
1232925829a20
1315b2a63bb66
1499780c626c
15530ae270d0
hex2e92b99478

200030131320 has 64 divisors (see below), whose sum is σ = 600642846720. Its totient is φ = 53292261504.

The previous prime is 200030131297. The next prime is 200030131333. The reversal of 200030131320 is 23131030002.

200030131320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 200030131320.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 636312 + ... + 897191.

It is an arithmetic number, because the mean of its divisors is an integer number (9385044480).

Almost surely, 2200030131320 is an apocalyptic number.

200030131320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200030131320 is an abundant number, since it is smaller than the sum of its proper divisors (400612715400).

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

200030131320 is a wasteful number, since it uses less digits than its factorization.

200030131320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534604 (or 1534600 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 200030131320 its reverse (23131030002), we get a palindrome (223161161322).

The spelling of 200030131320 in words is "two hundred billion, thirty million, one hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1087 2174 3261 4348 5435 6522 8696 10870 13044 16305 21740 26088 32610 43480 65220 130440 1533503 3067006 4600509 6134012 7667515 9201018 12268024 15335030 18402036 23002545 30670060 36804072 46005090 61340120 92010180 184020360 1666917761 3333835522 5000753283 6667671044 8334588805 10001506566 13335342088 16669177610 20003013132 25003766415 33338355220 40006026264 50007532830 66676710440 100015065660 200030131320