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76312443320 = 23531359171427
BaseRepresentation
bin100011100010010010…
…0110111100110111000
321021222100022210012122
41013010210313212320
52222241441141240
655020224300412
75341044031331
oct1070444674670
9237870283178
1076312443320
112a400426183
1212958a71708
137272179c09
14399d117288
151eb98b44b5
hex11c49379b8

76312443320 has 64 divisors (see below), whose sum is σ = 177736550400. Its totient is φ = 29457843840.

The previous prime is 76312443293. The next prime is 76312443377. The reversal of 76312443320 is 2334421367.

It is a super-3 number, since 3×763124433203 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359447 + ... + 530873.

It is an arithmetic number, because the mean of its divisors is an integer number (2777133600).

Almost surely, 276312443320 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 76312443320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88868275200).

76312443320 is an abundant number, since it is smaller than the sum of its proper divisors (101424107080).

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

76312443320 is a wasteful number, since it uses less digits than its factorization.

76312443320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171828 (or 171824 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 35.

Adding to 76312443320 its reverse (2334421367), we get a palindrome (78646864687).

The spelling of 76312443320 in words is "seventy-six billion, three hundred twelve million, four hundred forty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 155 248 310 359 620 718 1240 1436 1795 2872 3590 7180 11129 14360 22258 44516 55645 89032 111290 171427 222580 342854 445160 685708 857135 1371416 1714270 3428540 5314237 6857080 10628474 21256948 26571185 42513896 53142370 61542293 106284740 123084586 212569480 246169172 307711465 492338344 615422930 1230845860 1907811083 2461691720 3815622166 7631244332 9539055415 15262488664 19078110830 38156221660 76312443320