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212923941748 = 22716374645343
BaseRepresentation
bin1100011001001101000…
…0011000001101110100
3202100121000221221122121
43012103100120031310
511442032012113443
6241452123005324
721245311433320
oct3062320301564
9670530857577
10212923941748
11823340179a1
1235323969844
1317103a1099b
14a43c6cc980
155812da04ed
hex3193418374

212923941748 has 24 divisors (see below), whose sum is σ = 426108114432. Its totient is φ = 91197354144.

The previous prime is 212923941683. The next prime is 212923941761. The reversal of 212923941748 is 847149329212.

It is a junction number, because it is equal to n+sod(n) for n = 212923941695 and 212923941704.

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, 2276836 + ... + 2368507.

It is an arithmetic number, because the mean of its divisors is an integer number (17754504768).

Almost surely, 2212923941748 is an apocalyptic number.

212923941748 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

212923941748 is an abundant number, since it is smaller than the sum of its proper divisors (213184172684).

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

212923941748 is a wasteful number, since it uses less digits than its factorization.

212923941748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4646991 (or 4646989 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The spelling of 212923941748 in words is "two hundred twelve billion, nine hundred twenty-three million, nine hundred forty-one thousand, seven hundred forty-eight".

Divisors: 1 2 4 7 14 28 1637 3274 6548 11459 22918 45836 4645343 9290686 18581372 32517401 65034802 130069604 7604426491 15208852982 30417705964 53230985437 106461970874 212923941748