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317142857772 = 223213677655679
BaseRepresentation
bin1001001110101110010…
…11111111100000101100
31010022121020020102200100
410213113023333200230
520144002032422042
6401405440031100
731625044545456
oct4472713774054
91108536212610
10317142857772
1111255496a054
125156a602490
1323ba25c0030
14114c7bab2d6
1583b26a424c
hex49d72ff82c

317142857772 has 36 divisors (see below), whose sum is σ = 863333336320. Its totient is φ = 97582417632.

The previous prime is 317142857753. The next prime is 317142857789. The reversal of 317142857772 is 277758241713.

It is a happy number.

317142857772 is a `hidden beast` number, since 31 + 7 + 14 + 28 + 577 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 338827372 + ... + 338828307.

Almost surely, 2317142857772 is an apocalyptic number.

It is an amenable number.

317142857772 is an abundant number, since it is smaller than the sum of its proper divisors (546190478548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

317142857772 is a wasteful number, since it uses less digits than its factorization.

317142857772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677655702 (or 677655697 counting only the distinct ones).

The product of its digits is 4609920, while the sum is 54.

The spelling of 317142857772 in words is "three hundred seventeen billion, one hundred forty-two million, eight hundred fifty-seven thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 677655679 1355311358 2032967037 2710622716 4065934074 6098901111 8131868148 8809523827 12197802222 17619047654 24395604444 26428571481 35238095308 52857142962 79285714443 105714285924 158571428886 317142857772