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61425050351 = 78775007193
BaseRepresentation
bin111001001101001101…
…111110001011101111
312212112211001212022212
4321031031332023233
52001244303102401
644115052001035
74303112212310
oct711515761357
9185484055285
1061425050351
1124060926525
12baa316017b
135a3ba69a52
142d89c46607
1518e78e4dbb
hexe4d37e2ef

61425050351 has 4 divisors (see below), whose sum is σ = 70200057552. Its totient is φ = 52650043152.

The previous prime is 61425050327. The next prime is 61425050371. The reversal of 61425050351 is 15305052416.

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

It is not a de Polignac number, because 61425050351 - 226 = 61357941487 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 (61425050311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4387503590 + ... + 4387503603.

It is an arithmetic number, because the mean of its divisors is an integer number (17550014388).

Almost surely, 261425050351 is an apocalyptic number.

61425050351 is a deficient number, since it is larger than the sum of its proper divisors (8775007201).

61425050351 is an equidigital number, since it uses as much as digits as its factorization.

61425050351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8775007200.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 61425050351 in words is "sixty-one billion, four hundred twenty-five million, fifty thousand, three hundred fifty-one".

Divisors: 1 7 8775007193 61425050351