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212101332130144 = 2517421926109631
BaseRepresentation
bin110000001110011110110000…
…100011101101100101100000
31000210222200121111222201122001
4300032132300203231211200
5210300032012011131034
62031034001250453344
762450546510246062
oct6016366043554540
91023880544881561
10212101332130144
1161644740576356
121b9567aab94254
1391470ba465892
143a53a8b549732
15197c398134a14
hexc0e7b08ed960

212101332130144 has 48 divisors (see below), whose sum is σ = 443187912174336. Its totient is φ = 99575307417600.

The previous prime is 212101332130109. The next prime is 212101332130211. The reversal of 212101332130144 is 441031233101212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462825792 + ... + 463283839.

It is an arithmetic number, because the mean of its divisors is an integer number (9233081503632).

Almost surely, 2212101332130144 is an apocalyptic number.

It is an amenable number.

212101332130144 is an abundant number, since it is smaller than the sum of its proper divisors (231086580044192).

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

212101332130144 is a wasteful number, since it uses less digits than its factorization.

212101332130144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926110079 (or 926110071 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 212101332130144 its reverse (441031233101212), we get a palindrome (653132565231356).

The spelling of 212101332130144 in words is "two hundred twelve trillion, one hundred one billion, three hundred thirty-two million, one hundred thirty thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 421 544 842 1684 3368 6736 7157 13472 14314 28628 57256 114512 229024 926109631 1852219262 3704438524 7408877048 14817754096 15743863727 29635508192 31487727454 62975454908 125950909816 251901819632 389892154651 503803639264 779784309302 1559568618604 3119137237208 6238274474416 6628166629067 12476548948832 13256333258134 26512666516268 53025333032536 106050666065072 212101332130144