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212101110232 = 231117197462043
BaseRepresentation
bin1100010110001000110…
…1100001100111011000
3202021110200122210000021
43011202031201213120
511433340341011412
6241234330520224
721216030455524
oct3054215414730
9667420583007
10212101110232
1181a51602450
1235134296074
13170023c592b
14a3a12dcd84
1557b5a18607
hex31623619d8

212101110232 has 64 divisors (see below), whose sum is σ = 483540451200. Its totient is φ = 85962723840.

The previous prime is 212101110217. The next prime is 212101110233. The reversal of 212101110232 is 232011101212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212101110233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3702598 + ... + 3759445.

It is an arithmetic number, because the mean of its divisors is an integer number (7555319550).

Almost surely, 2212101110232 is an apocalyptic number.

212101110232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212101110232 is an abundant number, since it is smaller than the sum of its proper divisors (271439340968).

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

212101110232 is a wasteful number, since it uses less digits than its factorization.

212101110232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7462096 (or 7462092 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 212101110232 its reverse (232011101212), we get a palindrome (444112211444).

The spelling of 212101110232 in words is "two hundred twelve billion, one hundred one million, one hundred ten thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11 17 19 22 34 38 44 68 76 88 136 152 187 209 323 374 418 646 748 836 1292 1496 1672 2584 3553 7106 14212 28424 7462043 14924086 29848172 59696344 82082473 126854731 141778817 164164946 253709462 283557634 328329892 507418924 567115268 656659784 1014837848 1134230536 1395402041 1559566987 2410239889 2790804082 3119133974 4820479778 5581608164 6238267948 9640959556 11163216328 12476535896 19281919112 26512638779 53025277558 106050555116 212101110232