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71098370928 = 243213414572027
BaseRepresentation
bin100001000110111001…
…0110000101101110000
320210111222010110112100
41002031302300231300
52131102140332203
652355004500400
75064612116154
oct1021562605560
9223458113470
1071098370928
11281751a4442
121194284a700
136920b77990
14362684d064
151cb1c73ea3
hex108dcb0b70

71098370928 has 240 divisors, whose sum is σ = 220097850336. Its totient is φ = 21285642240.

The previous prime is 71098370897. The next prime is 71098370929. The reversal of 71098370928 is 82907389017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71098370929) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35074651 + ... + 35076677.

Almost surely, 271098370928 is an apocalyptic number.

71098370928 is a gapful number since it is divisible by the number (78) 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 71098370928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110048925168).

71098370928 is an abundant number, since it is smaller than the sum of its proper divisors (148999479408).

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

71098370928 is a wasteful number, since it uses less digits than its factorization.

71098370928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552 (or 2543 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The spelling of 71098370928 in words is "seventy-one billion, ninety-eight million, three hundred seventy thousand, nine hundred twenty-eight".