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2331420031400 = 2352371092890429
BaseRepresentation
bin100001111011010011011…
…101100111100110101000
322020212210200002211221212
4201323103131213212220
5301144222012001100
64543012314252252
7330303522201455
oct41732335474650
98225720084855
102331420031400
11819827911789
12317a17a27088
1313bb0c9cb325
1480bac88482c
15409a3cb5635
hex21ed37679a8

2331420031400 has 96 divisors (see below), whose sum is σ = 5618128791000. Its totient is φ = 899038725120.

The previous prime is 2331420031387. The next prime is 2331420031433. The reversal of 2331420031400 is 41300241332.

It can be written as a sum of positive squares in 12 ways, for example, as 1480860212836 + 850559818564 = 1216906^2 + 922258^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 638615 + ... + 2251814.

Almost surely, 22331420031400 is an apocalyptic number.

2331420031400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331420031400 is an abundant number, since it is smaller than the sum of its proper divisors (3286708759600).

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

2331420031400 is a wasteful number, since it uses less digits than its factorization.

2331420031400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2890591 (or 2890582 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2331420031400 its reverse (41300241332), we get a palindrome (2372720272732).

The spelling of 2331420031400 in words is "two trillion, three hundred thirty-one billion, four hundred twenty million, thirty-one thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 37 40 50 74 100 109 148 185 200 218 296 370 436 545 740 872 925 1090 1480 1850 2180 2725 3700 4033 4360 5450 7400 8066 10900 16132 20165 21800 32264 40330 80660 100825 161320 201650 403300 806600 2890429 5780858 11561716 14452145 23123432 28904290 57808580 72260725 106945873 115617160 144521450 213891746 289042900 315056761 427783492 534729365 578085800 630113522 855566984 1069458730 1260227044 1575283805 2138917460 2520454088 2673646825 3150567610 4277834920 5347293650 6301135220 7876419025 10694587300 11657100157 12602270440 15752838050 21389174600 23314200314 31505676100 46628400628 58285500785 63011352200 93256801256 116571001570 233142003140 291427503925 466284006280 582855007850 1165710015700 2331420031400