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71025420300 = 223521726712227
BaseRepresentation
bin100001000100101110…
…0011110100000001100
320210022212212012002020
41002021130132200030
52130430001422200
652343441130140
75063035053132
oct1021134364014
9223285765066
1071025420300
1128137aa856a
1211922329950
13690ba15123
14361ac9d752
151caa663ea0
hex108971e80c

71025420300 has 216 divisors, whose sum is σ = 221575859904. Its totient is φ = 17558492160.

The previous prime is 71025420281. The next prime is 71025420307. The reversal of 71025420300 is 302452017.

It is a super-2 number, since 2×710254203002 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71025420307) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5802787 + ... + 5815013.

Almost surely, 271025420300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71025420300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110787929952).

71025420300 is an abundant number, since it is smaller than the sum of its proper divisors (150550439604).

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

71025420300 is a wasteful number, since it uses less digits than its factorization.

71025420300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12345 (or 12321 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

Adding to 71025420300 its reverse (302452017), we get a palindrome (71327872317).

The spelling of 71025420300 in words is "seventy-one billion, twenty-five million, four hundred twenty thousand, three hundred".