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316374641781 = 3113607130531
BaseRepresentation
bin1001001101010010110…
…01011110110001110101
31010020121200201000110020
410212221121132301311
520140413402014111
6401201314315353
731600026040632
oct4465131366165
91106550630406
10316374641781
111121a0268000
1251395288b59
1323aac3b8163
1411453b57189
15836a009906
hex49a965ec75

316374641781 has 32 divisors (see below), whose sum is σ = 464752398336. Its totient is φ = 191424855600.

The previous prime is 316374641777. The next prime is 316374641797. The reversal of 316374641781 is 187146473613.

It is not a de Polignac number, because 316374641781 - 22 = 316374641777 is a prime.

It is a super-2 number, since 2×3163746417812 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316374645781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2358486 + ... + 2489016.

It is an arithmetic number, because the mean of its divisors is an integer number (14523512448).

Almost surely, 2316374641781 is an apocalyptic number.

It is an amenable number.

316374641781 is a deficient number, since it is larger than the sum of its proper divisors (148377756555).

316374641781 is a wasteful number, since it uses less digits than its factorization.

316374641781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131174 (or 131152 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 51.

The spelling of 316374641781 in words is "three hundred sixteen billion, three hundred seventy-four million, six hundred forty-one thousand, seven hundred eighty-one".

Divisors: 1 3 11 33 121 363 607 1331 1821 3993 6677 20031 73447 130531 220341 391593 807917 1435841 2423751 4307523 15794251 47382753 79232317 173736761 237696951 521210283 871555487 2614666461 9587110357 28761331071 105458213927 316374641781