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61488604573431 = 372928028789211
BaseRepresentation
bin11011111101100011011100…
…11011101110111011110111
322001201020211120112000011220
431332301232123232323313
531024412130232322211
6334435250332401423
715644255641145130
oct1576615633567367
9261636746460156
1061488604573431
1118657197305892
126a90aa1316273
13284047316a729
1411280c879cc87
157196d67ee806
hex37ec6e6eeef7

61488604573431 has 8 divisors (see below), whose sum is σ = 93696921254784. Its totient is φ = 35136345470520.

The previous prime is 61488604573367. The next prime is 61488604573439. The reversal of 61488604573431 is 13437540688416.

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

It is not a de Polignac number, because 61488604573431 - 26 = 61488604573367 is a prime.

It is a super-2 number, since 2×614886045734312 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61488604573439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1464014394585 + ... + 1464014394626.

It is an arithmetic number, because the mean of its divisors is an integer number (11712115156848).

Almost surely, 261488604573431 is an apocalyptic number.

61488604573431 is a deficient number, since it is larger than the sum of its proper divisors (32208316681353).

61488604573431 is a wasteful number, since it uses less digits than its factorization.

61488604573431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928028789221.

The product of its (nonzero) digits is 46448640, while the sum is 60.

The spelling of 61488604573431 in words is "sixty-one trillion, four hundred eighty-eight billion, six hundred four million, five hundred seventy-three thousand, four hundred thirty-one".

Divisors: 1 3 7 21 2928028789211 8784086367633 20496201524477 61488604573431