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29983221077472 = 2533134362080147
BaseRepresentation
bin1101101000101000000110…
…01111011101010111100000
310221011100221020012011212000
412310110003033131113200
512412221114043434342
6143434033540404000
76213134112036555
oct664240317352740
9127140836164760
1029983221077472
11960a8a3701233
123442b480a6600
1313965371a2b20
147592a4bb8a2c
1536edebc2144c
hex1b45033dd5e0

29983221077472 has 192 divisors, whose sum is σ = 96368255343360. Its totient is φ = 9011057352192.

The previous prime is 29983221077449. The next prime is 29983221077473. The reversal of 29983221077472 is 27477012238992.

29983221077472 is a `hidden beast` number, since 2 + 9 + 9 + 83 + 2 + 2 + 10 + 77 + 472 = 666.

It is a super-2 number, since 2×299832210774722 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29983221077473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30557098 + ... + 31523049.

It is an arithmetic number, because the mean of its divisors is an integer number (501917996580).

Almost surely, 229983221077472 is an apocalyptic number.

It is an amenable number.

29983221077472 is an abundant number, since it is smaller than the sum of its proper divisors (66385034265888).

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

29983221077472 is a wasteful number, since it uses less digits than its factorization.

29983221077472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62080222 (or 62080208 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 63.

The spelling of 29983221077472 in words is "twenty-nine trillion, nine hundred eighty-three billion, two hundred twenty-one million, seventy-seven thousand, four hundred seventy-two".