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78026076480 = 26351114715023
BaseRepresentation
bin100100010101010110…
…1110111000101000000
321110101202211100222110
41020222231313011000
52234244133421410
655502241335320
75431362464352
oct1105255670500
9243352740873
1078026076480
11300aa760130
1213156937540
1374861ba931
143ac294b0d2
15206a05c720
hex122ab77140

78026076480 has 224 divisors, whose sum is σ = 270491516928. Its totient is φ = 18898790400.

The previous prime is 78026076473. The next prime is 78026076493. The reversal of 78026076480 is 8467062087.

It is a super-3 number, since 3×780260764803 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15531249 + ... + 15536271.

Almost surely, 278026076480 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 78026076480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135245758464).

78026076480 is an abundant number, since it is smaller than the sum of its proper divisors (192465440448).

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

78026076480 is a wasteful number, since it uses less digits than its factorization.

78026076480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6525 (or 6515 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 48.

It can be divided in two parts, 7802607 and 6480, that added together give a palindrome (7809087).

The spelling of 78026076480 in words is "seventy-eight billion, twenty-six million, seventy-six thousand, four hundred eighty".