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61024052145101 = 62224998070149
BaseRepresentation
bin11011110000000010001001…
…11100110110101111001101
322000001211202010011111210012
431320001010330312233031
530444304224322120401
6333442021301523005
715565561620515453
oct1570010474665715
9260054663144705
1061024052145101
11184981785a6671
126a16a53713465
13280870ab9cc46
14110d8192b09d3
1570c597baa8bb
hex378044f36bcd

61024052145101 has 4 divisors (see below), whose sum is σ = 61024150837500. Its totient is φ = 61023953452704.

The previous prime is 61024052145079. The next prime is 61024052145131. The reversal of 61024052145101 is 10154125042016.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31678548856900 + 29345503288201 = 5628370^2 + 5417149^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61024052145101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61024052145131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48412826 + ... + 49657323.

It is an arithmetic number, because the mean of its divisors is an integer number (15256037709375).

Almost surely, 261024052145101 is an apocalyptic number.

It is an amenable number.

61024052145101 is a deficient number, since it is larger than the sum of its proper divisors (98692399).

61024052145101 is an equidigital number, since it uses as much as digits as its factorization.

61024052145101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98692398.

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 61024052145101 its reverse (10154125042016), we get a palindrome (71178177187117).

The spelling of 61024052145101 in words is "sixty-one trillion, twenty-four billion, fifty-two million, one hundred forty-five thousand, one hundred one".

Divisors: 1 622249 98070149 61024052145101