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29137667328 = 28357211279
BaseRepresentation
bin11011001000101111…
…011000010100000000
32210012122122212100000
4123020233120110000
5434133220323303
621215145200000
72051026041300
oct331057302400
983178585300
1029137667328
11113a24a9800
125792190000
132994829593
1415a5ad5600
15b5808cda3
hex6c8bd8500

29137667328 has 972 divisors, whose sum is σ = 112807705920. Its totient is φ = 7472424960.

The previous prime is 29137667291. The next prime is 29137667411. The reversal of 29137667328 is 82376673192.

It is a tau number, because it is divible by the number of its divisors (972).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 368831193 + ... + 368831271.

Almost surely, 229137667328 is an apocalyptic number.

29137667328 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 29137667328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56403852960).

29137667328 is an abundant number, since it is smaller than the sum of its proper divisors (83670038592).

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

29137667328 is an equidigital number, since it uses as much as digits as its factorization.

29137667328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 102 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The spelling of 29137667328 in words is "twenty-nine billion, one hundred thirty-seven million, six hundred sixty-seven thousand, three hundred twenty-eight".