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7645870056 = 23311181160009
BaseRepresentation
bin1110001111011101…
…01011011111101000
3201201212001102221110
413013232223133220
5111124320320211
63302405310320
7360320552226
oct70756533750
921655042843
107645870056
113273992380
1215947053a0
1394b072186
14527643b16
152eb397ea6
hex1c7bab7e8

7645870056 has 64 divisors (see below), whose sum is σ = 20967710400. Its totient is φ = 2304115200.

The previous prime is 7645870007. The next prime is 7645870079. The reversal of 7645870056 is 6500785467.

It is a junction number, because it is equal to n+sod(n) for n = 7645869987 and 7645870014.

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, 32221 + ... + 127788.

It is an arithmetic number, because the mean of its divisors is an integer number (327620475).

Almost surely, 27645870056 is an apocalyptic number.

It is an amenable number.

7645870056 is an abundant number, since it is smaller than the sum of its proper divisors (13321840344).

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

7645870056 is a wasteful number, since it uses less digits than its factorization.

7645870056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160210 (or 160206 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 48.

The square root of 7645870056 is about 87440.6659169519. The cubic root of 7645870056 is about 1970.0426915774.

The spelling of 7645870056 in words is "seven billion, six hundred forty-five million, eight hundred seventy thousand, fifty-six".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 181 264 362 543 724 1086 1448 1991 2172 3982 4344 5973 7964 11946 15928 23892 47784 160009 320018 480027 640036 960054 1280072 1760099 1920108 3520198 3840216 5280297 7040396 10560594 14080792 21121188 28961629 42242376 57923258 86884887 115846516 173769774 231693032 318577919 347539548 637155838 695079096 955733757 1274311676 1911467514 2548623352 3822935028 7645870056