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313493648237 = 71122343374239
BaseRepresentation
bin1001000111111011010…
…11010111001101101101
31002222011220121101021122
410203331223113031231
520114013333220422
6400003400510325
731435444020560
oct4437553271555
91088156541248
10313493648237
11110a51a9aa00
125091047b3a5
1323740570553
141125d28c4d7
15824c121d42
hex48fdad736d

313493648237 has 48 divisors (see below), whose sum is σ = 420490076160. Its totient is φ = 228225301920.

The previous prime is 313493648233. The next prime is 313493648239. The reversal of 313493648237 is 732846394313.

It is not a de Polignac number, because 313493648237 - 22 = 313493648233 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313493648233) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 650564 + ... + 1024802.

It is an arithmetic number, because the mean of its divisors is an integer number (8760209920).

Almost surely, 2313493648237 is an apocalyptic number.

It is an amenable number.

313493648237 is a deficient number, since it is larger than the sum of its proper divisors (106996427923).

313493648237 is a wasteful number, since it uses less digits than its factorization.

313493648237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374334 (or 374323 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 53.

The spelling of 313493648237 in words is "three hundred thirteen billion, four hundred ninety-three million, six hundred forty-eight thousand, two hundred thirty-seven".

Divisors: 1 7 11 23 43 77 121 161 253 301 473 847 989 1771 2783 3311 5203 6923 10879 19481 36421 76153 119669 374239 837683 2619673 4116629 8607497 16092277 28816403 45282919 60252479 94682467 112645939 177015047 316980433 370122371 662777269 1041507137 1239105329 1947165517 2590856597 4071346081 7290549959 13630158619 28499422567 44784806891 313493648237