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71422586880 = 2123517195961
BaseRepresentation
bin100001010000100011…
…1100011000000000000
320211100120012100012120
41002201013203000000
52132233140240010
652451105524240
75105626654161
oct1024107430000
9224316170176
1071422586880
1128321208707
1211a13343680
1369730a3b38
143657927768
151cd0467e70
hex10a11e3000

71422586880 has 832 divisors, whose sum is σ = 263265292800. Its totient is φ = 16420700160.

The previous prime is 71422586839. The next prime is 71422586909. The reversal of 71422586880 is 8868522417.

It is a super-2 number, since 2×714225868802 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1170862050 + ... + 1170862110.

Almost surely, 271422586880 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 71422586880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131632646400).

71422586880 is an abundant number, since it is smaller than the sum of its proper divisors (191842705920).

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

71422586880 is a wasteful number, since it uses less digits than its factorization.

71422586880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 51.

The spelling of 71422586880 in words is "seventy-one billion, four hundred twenty-two million, five hundred eighty-six thousand, eight hundred eighty".