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61502314001 = 337118244531
BaseRepresentation
bin111001010001110100…
…101101011000010001
312212202012110021010112
4321101310231120101
52001424043022001
644130452011105
74305041020622
oct712164553021
9185665407115
1061502314001
11240a04a8887
12bb05000a95
135a51a7c79b
142d961d9a49
1518ee5a7cbb
hexe51d2d611

61502314001 has 4 divisors (see below), whose sum is σ = 61520561904. Its totient is φ = 61484066100.

The previous prime is 61502313913. The next prime is 61502314033. The reversal of 61502314001 is 10041320516.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61502314001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61502314061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9118895 + ... + 9125636.

It is an arithmetic number, because the mean of its divisors is an integer number (15380140476).

Almost surely, 261502314001 is an apocalyptic number.

It is an amenable number.

61502314001 is a deficient number, since it is larger than the sum of its proper divisors (18247903).

61502314001 is a wasteful number, since it uses less digits than its factorization.

61502314001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18247902.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 61502314001 its reverse (10041320516), we get a palindrome (71543634517).

The spelling of 61502314001 in words is "sixty-one billion, five hundred two million, three hundred fourteen thousand, one".

Divisors: 1 3371 18244531 61502314001