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71495472400 = 24521119323103
BaseRepresentation
bin100001010010101110…
…1100101010100010000
320211112122100022100021
41002211131211110100
52132410320104100
652502232033224
75110503326332
oct1024535452420
9224478308307
1071495472400
112835936a680
1211a33832814
136985212b71
14366349b452
151cd6a63a1a
hex10a5765510

71495472400 has 480 divisors, whose sum is σ = 208395233280. Its totient is φ = 23330419200.

The previous prime is 71495472379. The next prime is 71495472427. The reversal of 71495472400 is 427459417.

It is a super-2 number, since 2×714954724002 (a number of 23 digits) contains 22 as substring.

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, 694130749 + ... + 694130851.

It is an arithmetic number, because the mean of its divisors is an integer number (434156736).

Almost surely, 271495472400 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 71495472400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104197616640).

71495472400 is an abundant number, since it is smaller than the sum of its proper divisors (136899760880).

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

71495472400 is a wasteful number, since it uses less digits than its factorization.

71495472400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 71495472400 in words is "seventy-one billion, four hundred ninety-five million, four hundred seventy-two thousand, four hundred".