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2031114400 = 25527477717
BaseRepresentation
bin111100100010000…
…0101100010100000
312020112220022011021
41321010011202200
513124431130100
6533313455224
7101222121220
oct17104054240
95215808137
102031114400
11952569347
12488271514
13264a4c653
14153a78080
15bd4aba1a
hex791058a0

2031114400 has 144 divisors (see below), whose sum is σ = 5788129536. Its totient is φ = 681477120.

The previous prime is 2031114341. The next prime is 2031114403. The reversal of 2031114400 is 44111302.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031114403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 259342 + ... + 267058.

It is an arithmetic number, because the mean of its divisors is an integer number (40195344).

Almost surely, 22031114400 is an apocalyptic number.

2031114400 is a gapful number since it is divisible by the number (20) 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 2031114400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2894064768).

2031114400 is an abundant number, since it is smaller than the sum of its proper divisors (3757015136).

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

2031114400 is a wasteful number, since it uses less digits than its factorization.

2031114400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7791 (or 7778 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2031114400 is about 45067.8865712605. The cubic root of 2031114400 is about 1266.4210727296.

Adding to 2031114400 its reverse (44111302), we get a palindrome (2075225702).

The spelling of 2031114400 in words is "two billion, thirty-one million, one hundred fourteen thousand, four hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 47 50 56 70 80 94 100 112 140 160 175 188 200 224 235 280 329 350 376 400 470 560 658 700 752 800 940 1120 1175 1316 1400 1504 1645 1880 2350 2632 2800 3290 3760 4700 5264 5600 6580 7520 7717 8225 9400 10528 13160 15434 16450 18800 26320 30868 32900 37600 38585 52640 54019 61736 65800 77170 108038 123472 131600 154340 192925 216076 246944 263200 270095 308680 362699 385850 432152 540190 617360 725398 771700 864304 1080380 1234720 1350475 1450796 1543400 1728608 1813495 2160760 2538893 2700950 2901592 3086800 3626990 4321520 5077786 5401900 5803184 6173600 7253980 8643040 9067475 10155572 10803800 11606368 12694465 14507960 18134950 20311144 21607600 25388930 29015920 36269900 40622288 43215200 50777860 58031840 63472325 72539800 81244576 101555720 126944650 145079600 203111440 253889300 290159200 406222880 507778600 1015557200 2031114400