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29132307072 = 2734111571627
BaseRepresentation
bin11011001000011010…
…111011101010000000
32210012021120112110000
4123020122323222000
5434130332311242
621214434240000
72050632344601
oct331032735200
983167515400
1029132307072
111139a478540
125790426000
1329936a082b
1415a50dbda8
15b5787ea4c
hex6c86bba80

29132307072 has 320 divisors, whose sum is σ = 95239758240. Its totient is φ = 8766351360.

The previous prime is 29132307053. The next prime is 29132307073. The reversal of 29132307072 is 27070323192.

29132307072 is a `hidden beast` number, since 291 + 3 + 230 + 70 + 72 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (29132307073) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 17904723 + ... + 17906349.

Almost surely, 229132307072 is an apocalyptic number.

29132307072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29132307072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47619879120).

29132307072 is an abundant number, since it is smaller than the sum of its proper divisors (66107451168).

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

29132307072 is a wasteful number, since it uses less digits than its factorization.

29132307072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821 (or 1800 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The spelling of 29132307072 in words is "twenty-nine billion, one hundred thirty-two million, three hundred seven thousand, seventy-two".