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2131203200 = 2752795143
BaseRepresentation
bin111111100000111…
…1001010010000000
312111112020100011212
41333001321102000
513331042000300
6551251025252
7103545633260
oct17701712200
95445210155
102131203200
119a4010565
124b589b228
1327c6c46a9
1416308d7a0
15c717c935
hex7f079480

2131203200 has 96 divisors (see below), whose sum is σ = 6016906560. Its totient is φ = 730690560.

The previous prime is 2131203187. The next prime is 2131203241. The reversal of 2131203200 is 23021312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25172 + ... + 69971.

It is an arithmetic number, because the mean of its divisors is an integer number (62676110).

Almost surely, 22131203200 is an apocalyptic number.

2131203200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131203200 is an abundant number, since it is smaller than the sum of its proper divisors (3885703360).

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

2131203200 is an equidigital number, since it uses as much as digits as its factorization.

2131203200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95174 (or 95157 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2131203200 is about 46164.9564063479. The cubic root of 2131203200 is about 1286.8905740548.

Adding to 2131203200 its reverse (23021312), we get a palindrome (2154224512).

The spelling of 2131203200 in words is "two billion, one hundred thirty-one million, two hundred three thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 64 70 80 100 112 128 140 160 175 200 224 280 320 350 400 448 560 640 700 800 896 1120 1400 1600 2240 2800 3200 4480 5600 11200 22400 95143 190286 380572 475715 666001 761144 951430 1332002 1522288 1902860 2378575 2664004 3044576 3330005 3805720 4757150 5328008 6089152 6660010 7611440 9514300 10656016 12178304 13320020 15222880 16650025 19028600 21312032 26640040 30445760 33300050 38057200 42624064 53280080 60891520 66600100 76114400 85248128 106560160 133200200 152228800 213120320 266400400 304457600 426240640 532800800 1065601600 2131203200