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60451026421 = 125497481693
BaseRepresentation
bin111000010011001010…
…010111010111110101
312210000221021022200111
4320103022113113311
51442300430321141
643434255143021
74240014150352
oct702312272765
9183027238614
1060451026421
1123701034975
12b870b14a71
135915026126
142cd673b629
15188c145381
hexe132975f5

60451026421 has 4 divisors (see below), whose sum is σ = 60451633612. Its totient is φ = 60450419232.

The previous prime is 60451026367. The next prime is 60451026481. The reversal of 60451026421 is 12462015406.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 54133002225 + 6318024196 = 232665^2 + 79486^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-60451026421 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 (60451026481) 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, 115350 + ... + 366343.

It is an arithmetic number, because the mean of its divisors is an integer number (15112908403).

Almost surely, 260451026421 is an apocalyptic number.

It is an amenable number.

60451026421 is a deficient number, since it is larger than the sum of its proper divisors (607191).

60451026421 is a wasteful number, since it uses less digits than its factorization.

60451026421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607190.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 60451026421 in words is "sixty billion, four hundred fifty-one million, twenty-six thousand, four hundred twenty-one".

Divisors: 1 125497 481693 60451026421