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211242331110 = 235138118672731
BaseRepresentation
bin1100010010111100000…
…1100010101111100110
3202012020211201021112010
43010233001202233212
511430111014043420
6241013212135050
721155532121356
oct3045701425746
9665224637463
10211242331110
1181650874a38
1234b34767486
1316bc65026c5
14a31d232b66
1557654304e0
hex312f062be6

211242331110 has 64 divisors (see below), whose sum is σ = 507806325504. Its totient is φ = 56239747200.

The previous prime is 211242331103. The next prime is 211242331159. The reversal of 211242331110 is 11133242112.

211242331110 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77348445 + ... + 77351175.

It is an arithmetic number, because the mean of its divisors is an integer number (7934473836).

Almost surely, 2211242331110 is an apocalyptic number.

211242331110 is an abundant number, since it is smaller than the sum of its proper divisors (296563994394).

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

211242331110 is a wasteful number, since it uses less digits than its factorization.

211242331110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5989.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 211242331110 its reverse (11133242112), we get a palindrome (222375573222).

The spelling of 211242331110 in words is "two hundred eleven billion, two hundred forty-two million, three hundred thirty-one thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 1381 1867 2731 2762 3734 4143 5462 5601 6905 8193 8286 9335 11202 13655 13810 16386 18670 20715 27310 28005 40965 41430 56010 81930 2578327 3771511 5098777 5156654 7543022 7734981 10197554 11314533 12891635 15296331 15469962 18857555 22629066 25493885 25783270 30592662 37715110 38674905 50987770 56572665 76481655 77349810 113145330 152963310 7041411037 14082822074 21124233111 35207055185 42248466222 70414110370 105621165555 211242331110