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42704281168 = 2418311457683
BaseRepresentation
bin100111110001010111…
…111001111001010000
311002020010122020212021
4213301113321321100
51144424243444133
631341300541224
73041152254313
oct476127717120
9132203566767
1042704281168
11171244a955a
1283396b1814
134047407833
1420d17d697a
15119e11552d
hex9f15f9e50

42704281168 has 20 divisors (see below), whose sum is σ = 82784789728. Its totient is φ = 21340464480.

The previous prime is 42704281099. The next prime is 42704281189. The reversal of 42704281168 is 86118240724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699546 + ... + 758137.

Almost surely, 242704281168 is an apocalyptic number.

It is an amenable number.

42704281168 is a deficient number, since it is larger than the sum of its proper divisors (40080508560).

42704281168 is a wasteful number, since it uses less digits than its factorization.

42704281168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459522 (or 1459516 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 43.

The spelling of 42704281168 in words is "forty-two billion, seven hundred four million, two hundred eighty-one thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 16 1831 3662 7324 14648 29296 1457683 2915366 5830732 11661464 23322928 2669017573 5338035146 10676070292 21352140584 42704281168