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212489419472 = 24111771019191
BaseRepresentation
bin1100010111100101011…
…0110011101011010000
3202022110202022221010222
43011321112303223100
511440134242410342
6241341041412212
721231454156451
oct3057126635320
9668422287128
10212489419472
1182130812980
123522233a068
13170649a2c05
14a3daadd128
1557d9b6ced2
hex31795b3ad0

212489419472 has 40 divisors (see below), whose sum is σ = 475544509632. Its totient is φ = 90904563200.

The previous prime is 212489419423. The next prime is 212489419507. The reversal of 212489419472 is 274914984212.

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, 35506604 + ... + 35512587.

Almost surely, 2212489419472 is an apocalyptic number.

212489419472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212489419472 is an abundant number, since it is smaller than the sum of its proper divisors (263055090160).

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

212489419472 is a wasteful number, since it uses less digits than its factorization.

212489419472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71019227 (or 71019221 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 53.

The spelling of 212489419472 in words is "two hundred twelve billion, four hundred eighty-nine million, four hundred nineteen thousand, four hundred seventy-two".

Divisors: 1 2 4 8 11 16 17 22 34 44 68 88 136 176 187 272 374 748 1496 2992 71019191 142038382 284076764 568153528 781211101 1136307056 1207326247 1562422202 2414652494 3124844404 4829304988 6249688808 9658609976 12499377616 13280588717 19317219952 26561177434 53122354868 106244709736 212489419472