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8064751480 = 235436477247
BaseRepresentation
bin1111000001011001…
…00101011101111000
3202211001020211020021
413200230211131320
5113004034021410
63412131340224
7403565153662
oct74054453570
922731224207
108064751480
113469384175
121690a51674
139b6a949c6
14567121532
1532303aeda
hex1e0b25778

8064751480 has 64 divisors (see below), whose sum is σ = 18598947840. Its totient is φ = 3145575552.

The previous prime is 8064751469. The next prime is 8064751483. The reversal of 8064751480 is 841574608.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8064751483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1109217 + ... + 1116463.

It is an arithmetic number, because the mean of its divisors is an integer number (290608560).

Almost surely, 28064751480 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 8064751480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9299473920).

8064751480 is an abundant number, since it is smaller than the sum of its proper divisors (10534196360).

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

8064751480 is a wasteful number, since it uses less digits than its factorization.

8064751480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7948 (or 7944 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 8064751480 is about 89803.9613825582. The cubic root of 8064751480 is about 2005.3814636041.

The spelling of 8064751480 in words is "eight billion, sixty-four million, seven hundred fifty-one thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 43 86 172 215 344 430 647 860 1294 1720 2588 3235 5176 6470 7247 12940 14494 25880 27821 28988 36235 55642 57976 72470 111284 139105 144940 222568 278210 289880 311621 556420 623242 1112840 1246484 1558105 2492968 3116210 4688809 6232420 9377618 12464840 18755236 23444045 37510472 46888090 93776180 187552360 201618787 403237574 806475148 1008093935 1612950296 2016187870 4032375740 8064751480