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212234223029 = 3128432408113
BaseRepresentation
bin1100010110101000100…
…1010011110110110101
3202021210222010121102212
43011222021103312311
511434123430114104
6241255443543205
721222235062503
oct3055211236665
9667728117385
10212234223029
118200a760024
123517098ab05
1317023b611ba
14a3b4c6d673
1557c255e36e
hex316a253db5

212234223029 has 8 divisors (see below), whose sum is σ = 219157638912. Its totient is φ = 205315629120.

The previous prime is 212234222989. The next prime is 212234223077. The reversal of 212234223029 is 920322432212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212234223029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212234222986 and 212234223004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212234223079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1115924 + ... + 1292189.

It is an arithmetic number, because the mean of its divisors is an integer number (27394704864).

Almost surely, 2212234223029 is an apocalyptic number.

It is an amenable number.

212234223029 is a deficient number, since it is larger than the sum of its proper divisors (6923415883).

212234223029 is a wasteful number, since it uses less digits than its factorization.

212234223029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410987.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 212234223029 in words is "two hundred twelve billion, two hundred thirty-four million, two hundred twenty-three thousand, twenty-nine".

Divisors: 1 31 2843 88133 2408113 74651503 6846265259 212234223029