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57803028080 = 2457751137443
BaseRepresentation
bin110101110101010101…
…000011011001110000
312112012101121001211212
4311311111003121300
51421340033344310
642315423255252
74114261426520
oct656525033160
9175171531755
1057803028080
1122572336596
12b25214a528
1355b2548bc5
142b24ba3680
151784933205
hexd75543670

57803028080 has 80 divisors (see below), whose sum is σ = 153796537344. Its totient is φ = 19791648000.

The previous prime is 57803028077. The next prime is 57803028083. The reversal of 57803028080 is 8082030875.

57803028080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (57803028077) and next prime (57803028083).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57803028083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351839 + ... + 489281.

Almost surely, 257803028080 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 57803028080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76898268672).

57803028080 is an abundant number, since it is smaller than the sum of its proper divisors (95993509264).

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

57803028080 is a wasteful number, since it uses less digits than its factorization.

57803028080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138214 (or 138208 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 57803028080 in words is "fifty-seven billion, eight hundred three million, twenty-eight thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 751 1502 3004 3755 5257 6008 7510 10514 12016 15020 21028 26285 30040 42056 52570 60080 84112 105140 137443 210280 274886 420560 549772 687215 962101 1099544 1374430 1924202 2199088 2748860 3848404 4810505 5497720 7696808 9621010 10995440 15393616 19242020 38484040 76968080 103219693 206439386 412878772 516098465 722537851 825757544 1032196930 1445075702 1651515088 2064393860 2890151404 3612689255 4128787720 5780302808 7225378510 8257575440 11560605616 14450757020 28901514040 57803028080