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20703383456 = 257283326593
BaseRepresentation
bin10011010010000001…
…001000111110100000
31222102212001211221212
4103102001020332200
5314400031232311
613302213205252
71332022566350
oct232201107640
958385054855
1020703383456
11886457a468
124019630828
131c4c330072
1410058a0b60
158128aac8b
hex4d2048fa0

20703383456 has 48 divisors (see below), whose sum is σ = 46747358784. Its totient is φ = 8841498624.

The previous prime is 20703383429. The next prime is 20703383473. The reversal of 20703383456 is 65438330702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99905 + ... + 226688.

It is an arithmetic number, because the mean of its divisors is an integer number (973903308).

Almost surely, 220703383456 is an apocalyptic number.

It is an amenable number.

20703383456 is an abundant number, since it is smaller than the sum of its proper divisors (26043975328).

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

20703383456 is a wasteful number, since it uses less digits than its factorization.

20703383456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326893 (or 326885 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 20703383456 in words is "twenty billion, seven hundred three million, three hundred eighty-three thousand, four hundred fifty-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 283 566 1132 1981 2264 3962 4528 7924 9056 15848 31696 63392 326593 653186 1306372 2286151 2612744 4572302 5225488 9144604 10450976 18289208 36578416 73156832 92425819 184851638 369703276 646980733 739406552 1293961466 1478813104 2587922932 2957626208 5175845864 10351691728 20703383456