Search a number
-
+
213244242140430 = 23352040738702087
BaseRepresentation
bin110000011111000111001011…
…010011011001110100001110
31000222000221122212210212112000
4300133013023103121310032
5210422243201441443210
62033311015154453130
762626250053116324
oct6037071323316416
91028027585725460
10213244242140430
1161a45414471166
121bb001b52941a6
1391caacc15a587
143a9310d87dd14
15199be8acd7ac0
hexc1f1cb4d9d0e

213244242140430 has 64 divisors (see below), whose sum is σ = 568679192570880. Its totient is φ = 56862343217952.

The previous prime is 213244242140387. The next prime is 213244242140443. The reversal of 213244242140430 is 34041242442312.

213244242140430 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 4 + 4 + 2 + 4 + 214 + 0 + 430 = 666.

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, 13841154 + ... + 24860933.

It is an arithmetic number, because the mean of its divisors is an integer number (8885612383920).

Almost surely, 2213244242140430 is an apocalyptic number.

213244242140430 is an abundant number, since it is smaller than the sum of its proper divisors (355434950430450).

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

213244242140430 is a wasteful number, since it uses less digits than its factorization.

213244242140430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38722510 (or 38722504 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 213244242140430 its reverse (34041242442312), we get a palindrome (247285484582742).

The spelling of 213244242140430 in words is "two hundred thirteen trillion, two hundred forty-four billion, two hundred forty-two million, one hundred forty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 20407 40814 61221 102035 122442 183663 204070 306105 367326 550989 612210 918315 1101978 1836630 2754945 5509890 38702087 77404174 116106261 193510435 232212522 348318783 387020870 580531305 696637566 1044956349 1161062610 1741593915 2089912698 3483187830 5224781745 10449563490 789793489409 1579586978818 2369380468227 3948967447045 4738760936454 7108141404681 7897934894090 11846902341135 14216282809362 21324424214043 23693804682270 35540707023405 42648848428086 71081414046810 106622121070215 213244242140430