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679912322212 = 221321128673793
BaseRepresentation
bin10011110010011011110…
…11101011010010100100
32101222222020222122011201
421321031323223102210
542114430023302322
61240203012412244
7100056601245154
oct11711573532244
92358866878151
10679912322212
11242392864aa2
12ab931317084
134c166874376
1424c9d518764
1512a457bcd27
hex9e4deeb4a4

679912322212 has 12 divisors (see below), whose sum is σ = 1190747289676. Its totient is φ = 339698810880.

The previous prime is 679912322161. The next prime is 679912322231. The reversal of 679912322212 is 212223219976.

It can be written as a sum of positive squares in 2 ways, for example, as 317007285156 + 362905037056 = 563034^2 + 602416^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64331613 + ... + 64342180.

Almost surely, 2679912322212 is an apocalyptic number.

It is an amenable number.

679912322212 is a deficient number, since it is larger than the sum of its proper divisors (510834967464).

679912322212 is a wasteful number, since it uses less digits than its factorization.

679912322212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128675118 (or 128675116 counting only the distinct ones).

The product of its digits is 326592, while the sum is 46.

The spelling of 679912322212 in words is "six hundred seventy-nine billion, nine hundred twelve million, three hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 1321 2642 5284 128673793 257347586 514695172 169978080553 339956161106 679912322212