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11745625057 = 171636942209
BaseRepresentation
bin10101111000001100…
…00000001111100001
31010022120110120112021
422330012000033201
5143023340000212
65221301301441
7564032110555
oct127406001741
933276416467
1011745625057
114a8810aa51
122339704881
13115254c9ca
147d5d23865
1548b275307
hex2bc1803e1

11745625057 has 8 divisors (see below), whose sum is σ = 12437598600. Its totient is φ = 11053768704.

The previous prime is 11745625039. The next prime is 11745625063. The reversal of 11745625057 is 75052654711.

It can be written as a sum of positive squares in 4 ways, for example, as 3820352481 + 7925272576 = 61809^2 + 89024^2 .

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 11745625057 - 215 = 11745592289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11745625657) 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, 257169 + ... + 299377.

It is an arithmetic number, because the mean of its divisors is an integer number (1554699825).

Almost surely, 211745625057 is an apocalyptic number.

11745625057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11745625057 is a deficient number, since it is larger than the sum of its proper divisors (691973543).

11745625057 is a wasteful number, since it uses less digits than its factorization.

11745625057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58595.

The product of its (nonzero) digits is 294000, while the sum is 43.

The spelling of 11745625057 in words is "eleven billion, seven hundred forty-five million, six hundred twenty-five thousand, fifty-seven".

Divisors: 1 17 16369 42209 278273 717553 690919121 11745625057