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77052248671 = 195669715361
BaseRepresentation
bin100011111000010101…
…1000000001001011111
321100212220101210100211
41013300223000021133
52230300333424141
655221453033251
75365266210256
oct1076053001137
9240786353324
1077052248671
112a74aa92962
1212b24785827
13735c515368
143a2d49379d
15200e7ead81
hex11f0ac025f

77052248671 has 8 divisors (see below), whose sum is σ = 81122050800. Its totient is φ = 72983888640.

The previous prime is 77052248597. The next prime is 77052248677. The reversal of 77052248671 is 17684225077.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-77052248671 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 (77052248677) 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 7 ways as a sum of consecutive naturals, for example, 249970 + ... + 465391.

It is an arithmetic number, because the mean of its divisors is an integer number (10140256350).

Almost surely, 277052248671 is an apocalyptic number.

77052248671 is a deficient number, since it is larger than the sum of its proper divisors (4069802129).

77052248671 is a wasteful number, since it uses less digits than its factorization.

77052248671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721049.

The product of its (nonzero) digits is 1317120, while the sum is 49.

The spelling of 77052248671 in words is "seventy-seven billion, fifty-two million, two hundred forty-eight thousand, six hundred seventy-one".

Divisors: 1 19 5669 107711 715361 13591859 4055381509 77052248671