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61424405371570 = 256142440537157
BaseRepresentation
bin11011111011101011110111…
…10111001101101010110010
322001111010010102101122101211
431331311323313031222302
531022334140233342240
6334345552100550334
715636524012012323
oct1575657367155262
9261433112348354
1061424405371570
1118631a4255726a
126a805650b23aa
1328373b1753c17
141124d5834044a
15717bca5c8bea
hex37dd7bdcdab2

61424405371570 has 8 divisors (see below), whose sum is σ = 110563929668844. Its totient is φ = 24569762148624.

The previous prime is 61424405371561. The next prime is 61424405371573. The reversal of 61424405371570 is 7517350442416.

It can be written as a sum of positive squares in 2 ways, for example, as 60793068654081 + 631336717489 = 7796991^2 + 794567^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (61424405371573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3071220268569 + ... + 3071220268588.

Almost surely, 261424405371570 is an apocalyptic number.

61424405371570 is a deficient number, since it is larger than the sum of its proper divisors (49139524297274).

61424405371570 is a wasteful number, since it uses less digits than its factorization.

61424405371570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6142440537164.

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 61424405371570 in words is "sixty-one trillion, four hundred twenty-four billion, four hundred five million, three hundred seventy-one thousand, five hundred seventy".

Divisors: 1 2 5 10 6142440537157 12284881074314 30712202685785 61424405371570