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61634454545113 = 2915114075006747
BaseRepresentation
bin11100000001110011000111…
…10001001110001011011001
322002020012022002222020102221
432000321203301032023121
531034304330330420423
6335030251051424041
715660641145354352
oct1600714361161331
9262205262866387
1061634454545113
111870303086926a
126ab5206155021
1328511479b9718
1411311a2d04d29
1571d3c0dc0e5d
hex380e63c4e2d9

61634454545113 has 8 divisors (see below), whose sum is σ = 64182030770880. Its totient is φ = 59115028333200.

The previous prime is 61634454545071. The next prime is 61634454545117. The reversal of 61634454545113 is 31154545443616.

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 61634454545113 - 241 = 59435431289561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61634454545117) 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, 7037498995 + ... + 7037507752.

It is an arithmetic number, because the mean of its divisors is an integer number (8022753846360).

Almost surely, 261634454545113 is an apocalyptic number.

It is an amenable number.

61634454545113 is a deficient number, since it is larger than the sum of its proper divisors (2547576225767).

61634454545113 is a wasteful number, since it uses less digits than its factorization.

61634454545113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14075006927.

The product of its digits is 10368000, while the sum is 52.

Adding to 61634454545113 its reverse (31154545443616), we get a palindrome (92788999988729).

The spelling of 61634454545113 in words is "sixty-one trillion, six hundred thirty-four billion, four hundred fifty-four million, five hundred forty-five thousand, one hundred thirteen".

Divisors: 1 29 151 4379 14075006747 408175195663 2125326018797 61634454545113