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29393038080 = 2833572171021
BaseRepresentation
bin11011010111111101…
…100010101100000000
32210212110012001011000
4123113331202230000
5440144104204310
621300350452000
72060246462400
oct332775425400
983773161130
1029393038080
111151367060a
125843804000
132a056cc733
1415cb9ac800
15b706d34c0
hex6d7f62b00

29393038080 has 864 divisors, whose sum is σ = 128596870080. Its totient is φ = 6317015040.

The previous prime is 29393038049. The next prime is 29393038111. The reversal of 29393038080 is 8083039392.

It is an interprime number because it is at equal distance from previous prime (29393038049) and next prime (29393038111).

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28787970 + ... + 28788990.

It is an arithmetic number, because the mean of its divisors is an integer number (148838970).

Almost surely, 229393038080 is an apocalyptic number.

29393038080 is a gapful number since it is divisible by the number (20) 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 29393038080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64298435040).

29393038080 is an abundant number, since it is smaller than the sum of its proper divisors (99203832000).

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

29393038080 is a wasteful number, since it uses less digits than its factorization.

29393038080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082 (or 1055 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 29393038080 in words is "twenty-nine billion, three hundred ninety-three million, thirty-eight thousand, eighty".