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331230020985 = 3354752203313
BaseRepresentation
bin1001101000111101101…
…10010000010101111001
31011122221222201110201000
410310132312100111321
520411324341132420
6412055344515213
732634121503243
oct4643666202571
91148858643630
10331230020985
111185237912a6
125424031bb09
1325308c99876
1412062a93093
1589392a3690
hex4d1ed90579

331230020985 has 32 divisors (see below), whose sum is σ = 601382177280. Its totient is φ = 172897369344.

The previous prime is 331230020921. The next prime is 331230021053. The reversal of 331230020985 is 589020032133.

331230020985 is a `hidden beast` number, since 331 + 230 + 0 + 2 + 0 + 98 + 5 = 666.

It is not a de Polignac number, because 331230020985 - 26 = 331230020921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26095312 + ... + 26108001.

It is an arithmetic number, because the mean of its divisors is an integer number (18793193040).

Almost surely, 2331230020985 is an apocalyptic number.

It is an amenable number.

331230020985 is a deficient number, since it is larger than the sum of its proper divisors (270152156295).

331230020985 is a wasteful number, since it uses less digits than its factorization.

331230020985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52203374 (or 52203368 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 331230020985 in words is "three hundred thirty-one billion, two hundred thirty million, twenty thousand, nine hundred eighty-five".

Divisors: 1 3 5 9 15 27 45 47 135 141 235 423 705 1269 2115 6345 52203313 156609939 261016565 469829817 783049695 1409489451 2349149085 2453555711 7047447255 7360667133 12267778555 22082001399 36803335665 66246004197 110410006995 331230020985