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29475153568 = 2571923714241
BaseRepresentation
bin11011011100110110…
…110010011010100000
32211002011200221102101
4123130312302122200
5440331114403233
621312442500144
72062264446220
oct333466623240
984064627371
1029475153568
1111555a57153
125867204654
132a19720993
1415d8866080
15b77a03c7d
hex6dcdb26a0

29475153568 has 192 divisors, whose sum is σ = 73888174080. Its totient is φ = 11283148800.

The previous prime is 29475153563. The next prime is 29475153583. The reversal of 29475153568 is 86535157492.

It is not an unprimeable number, because it can be changed into a prime (29475153563) 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, 6947928 + ... + 6952168.

It is an arithmetic number, because the mean of its divisors is an integer number (384834240).

Almost surely, 229475153568 is an apocalyptic number.

29475153568 is a gapful number since it is divisible by the number (28) 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 29475153568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36944087040).

29475153568 is an abundant number, since it is smaller than the sum of its proper divisors (44413020512).

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

29475153568 is a wasteful number, since it uses less digits than its factorization.

29475153568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371 (or 4363 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 55.

It can be divided in two parts, 2947 and 5153568, that added together give a palindrome (5156515).

The spelling of 29475153568 in words is "twenty-nine billion, four hundred seventy-five million, one hundred fifty-three thousand, five hundred sixty-eight".