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129622408608 = 253711192340127
BaseRepresentation
bin111100010111000011…
…0001111110110100000
3110101120121102121121110
41320232012033312200
54110431314033413
6135314150023320
712236110202550
oct1705606176640
9411517377543
10129622408608
114aa7751a130
1221156347b40
13c2b98aaa84
1463b9299160
153589b298c3
hex1e2e18fda0

129622408608 has 384 divisors, whose sum is σ = 465972756480. Its totient is φ = 30508600320.

The previous prime is 129622408579. The next prime is 129622408667. The reversal of 129622408608 is 806804226921.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3210241 + ... + 3250367.

It is an arithmetic number, because the mean of its divisors is an integer number (1213470720).

Almost surely, 2129622408608 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 129622408608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232986378240).

129622408608 is an abundant number, since it is smaller than the sum of its proper divisors (336350347872).

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

129622408608 is a wasteful number, since it uses less digits than its factorization.

129622408608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40200 (or 40192 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 129622408608 in words is "one hundred twenty-nine billion, six hundred twenty-two million, four hundred eight thousand, six hundred eight".