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211142421310 = 25175330776333
BaseRepresentation
bin1100010010100100010…
…0011010101100111110
3202011222212201100001011
43010221010122230332
511424404424440220
6240555242505434
721153206653222
oct3045104325476
9664885640034
10211142421310
11815aa435257
1234b0720527a
1316bab8c0c92
14a30dc66782
15575b79765a
hex312911ab3e

211142421310 has 64 divisors (see below), whose sum is σ = 411346216512. Its totient is φ = 77734066176.

The previous prime is 211142421307. The next prime is 211142421311. The reversal of 211142421310 is 13124241112.

211142421310 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2111424213102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211142421311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2727904 + ... + 2804236.

It is an arithmetic number, because the mean of its divisors is an integer number (6427284633).

Almost surely, 2211142421310 is an apocalyptic number.

211142421310 is a deficient number, since it is larger than the sum of its proper divisors (200203795202).

211142421310 is a wasteful number, since it uses less digits than its factorization.

211142421310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76717.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 211142421310 its reverse (13124241112), we get a palindrome (224266662422).

The spelling of 211142421310 in words is "two hundred eleven billion, one hundred forty-two million, four hundred twenty-one thousand, three hundred ten".

Divisors: 1 2 5 10 17 34 53 85 106 170 265 307 530 614 901 1535 1802 3070 4505 5219 9010 10438 16271 26095 32542 52190 76333 81355 152666 162710 276607 381665 553214 763330 1297661 1383035 2595322 2766070 4045649 6488305 8091298 12976610 20228245 23434231 40456490 46868462 68776033 117171155 137552066 234342310 343880165 398381927 687760330 796763854 1242014243 1991909635 2484028486 3983819270 6210071215 12420142430 21114242131 42228484262 105571210655 211142421310