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61235307245 = 571749580207
BaseRepresentation
bin111001000001111010…
…001010001011101101
312212001121000220201102
4321001322022023231
52000402214312440
644044153052445
74265316344360
oct710172121355
9185047026642
1061235307245
1123a73809742
12ba4b6b7125
135a0b664218
142d6c9740d7
1518d5e14b15
hexe41e8a2ed

61235307245 has 8 divisors (see below), whose sum is σ = 83979849984. Its totient is φ = 41989924944.

The previous prime is 61235307241. The next prime is 61235307257. The reversal of 61235307245 is 54270353216.

61235307245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 61235307245 - 22 = 61235307241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61235307199 and 61235307208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61235307241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 874790069 + ... + 874790138.

It is an arithmetic number, because the mean of its divisors is an integer number (10497481248).

Almost surely, 261235307245 is an apocalyptic number.

It is an amenable number.

61235307245 is a deficient number, since it is larger than the sum of its proper divisors (22744542739).

61235307245 is a wasteful number, since it uses less digits than its factorization.

61235307245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749580219.

The product of its (nonzero) digits is 151200, while the sum is 38.

The spelling of 61235307245 in words is "sixty-one billion, two hundred thirty-five million, three hundred seven thousand, two hundred forty-five".

Divisors: 1 5 7 35 1749580207 8747901035 12247061449 61235307245