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61275076745 = 535227347887
BaseRepresentation
bin111001000100010001…
…110111100010001001
312212011100212102012212
4321010101313202021
52000442404423440
644052133314505
74266311362421
oct710421674211
9185140772185
1061275076745
1123a942020a3
12ba60a95a35
135a16979b7c
142d73d67481
1518d966d465
hexe44477889

61275076745 has 8 divisors (see below), whose sum is σ = 73532390784. Its totient is φ = 49018528944.

The previous prime is 61275076721. The next prime is 61275076769. The reversal of 61275076745 is 54767057216.

It is an interprime number because it is at equal distance from previous prime (61275076721) and next prime (61275076769).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61275076745 - 214 = 61275060361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61275076693 and 61275076702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2192 + ... + 350078.

It is an arithmetic number, because the mean of its divisors is an integer number (9191548848).

Almost surely, 261275076745 is an apocalyptic number.

It is an amenable number.

61275076745 is a deficient number, since it is larger than the sum of its proper divisors (12257314039).

61275076745 is a wasteful number, since it uses less digits than its factorization.

61275076745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383119.

The product of its (nonzero) digits is 2469600, while the sum is 50.

The spelling of 61275076745 in words is "sixty-one billion, two hundred seventy-five million, seventy-six thousand, seven hundred forty-five".

Divisors: 1 5 35227 176135 347887 1739435 12255015349 61275076745