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31084408712028 = 2237444183326387
BaseRepresentation
bin1110001000101011001110…
…01000111010101101011100
311002001122021220000000220210
413010111213020322231130
513033241332112241103
6150035551421212420
76355526424351540
oct704254710725534
9132048256000823
1031084408712028
1199a4907392691
1235a0449701110
13144632a033129
147966c9cb3a20
1538d89bab8e03
hex1c456723ab5c

31084408712028 has 48 divisors (see below), whose sum is σ = 82910422671104. Its totient is φ = 8879259692160.

The previous prime is 31084408712017. The next prime is 31084408712047. The reversal of 31084408712028 is 82021780448013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41290150 + ... + 42036237.

Almost surely, 231084408712028 is an apocalyptic number.

It is an amenable number.

31084408712028 is an abundant number, since it is smaller than the sum of its proper divisors (51826013959076).

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

31084408712028 is a wasteful number, since it uses less digits than its factorization.

31084408712028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83330842 (or 83330840 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 48.

The spelling of 31084408712028 in words is "thirty-one trillion, eighty-four billion, four hundred eight million, seven hundred twelve thousand, twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 4441 8882 13323 17764 26646 31087 53292 62174 93261 124348 186522 373044 83326387 166652774 249979161 333305548 499958322 583284709 999916644 1166569418 1749854127 2333138836 3499708254 6999416508 370052484667 740104969334 1110157454001 1480209938668 2220314908002 2590367392669 4440629816004 5180734785338 7771102178007 10361469570676 15542204356014 31084408712028