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311354979112 = 23233402741479
BaseRepresentation
bin1001000011111100011…
…00111111001100101000
31002202122212022201210001
410201332030333030220
520100123333312422
6355011241432344
731331444440612
oct4417614771450
91082585281701
10311354979112
11110054850161
125041419b6b4
132348c463868
14110d9217db2
1581744bc227
hex487e33f328

311354979112 has 32 divisors (see below), whose sum is σ = 586455854400. Its totient is φ = 154967117184.

The previous prime is 311354979101. The next prime is 311354979137. The reversal of 311354979112 is 211979453113.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7485589 + ... + 7527067.

It is an arithmetic number, because the mean of its divisors is an integer number (18326745450).

Almost surely, 2311354979112 is an apocalyptic number.

It is an amenable number.

311354979112 is a deficient number, since it is larger than the sum of its proper divisors (275100875288).

311354979112 is a wasteful number, since it uses less digits than its factorization.

311354979112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45745 (or 45741 counting only the distinct ones).

The product of its digits is 204120, while the sum is 46.

It can be divided in two parts, 3113 and 54979112, that added together give a square (54982225 = 74152).

The spelling of 311354979112 in words is "three hundred eleven billion, three hundred fifty-four million, nine hundred seventy-nine thousand, one hundred twelve".

Divisors: 1 2 4 8 233 466 932 1864 4027 8054 16108 32216 41479 82958 165916 331832 938291 1876582 3753164 7506328 9664607 19329214 38658428 77316856 167035933 334071866 668143732 1336287464 38919372389 77838744778 155677489556 311354979112