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212652346452 = 22371321733049
BaseRepresentation
bin1100011000001100010…
…0010100110001010100
3202022220002220110221120
43012003010110301110
511441003000041302
6241405141443540
721235503056310
oct3060304246124
9668802813846
10212652346452
1182204784377
1235268a105b0
131708c679a00
14a4145d0b40
1557e91029bc
hex3183114c54

212652346452 has 288 divisors, whose sum is σ = 652633632000. Its totient is φ = 52767756288.

The previous prime is 212652346451. The next prime is 212652346483. The reversal of 212652346452 is 254643256212.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212652346451) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 69743424 + ... + 69746472.

It is an arithmetic number, because the mean of its divisors is an integer number (2266089000).

Almost surely, 2212652346452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212652346452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326316816000).

212652346452 is an abundant number, since it is smaller than the sum of its proper divisors (439981285548).

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

212652346452 is a wasteful number, since it uses less digits than its factorization.

212652346452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140 (or 3091 counting only the distinct ones).

The product of its digits is 691200, while the sum is 42.

The spelling of 212652346452 in words is "two hundred twelve billion, six hundred fifty-two million, three hundred forty-six thousand, four hundred fifty-two".