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128432083852944 = 24329443992
BaseRepresentation
bin11101001100111011101100…
…101111000101111010010000
3121211201222122202011102000100
4131030323230233011322100
5113313212401431243234
61133052515041252400
736023624523306324
oct3514735457057220
9554658582142010
10128432083852944
1137a16817132393
12124a2bb9034100
13568812a67a621
1423a02089a1984
15ecac2ea16399
hex74ceecbc5e90

128432083852944 has 45 divisors (see below), whose sum is σ = 359431837487203. Its totient is φ = 42810649286496.

The previous prime is 128432083852931. The next prime is 128432083853011. The reversal of 128432083852944 is 449258380234821.

The square root of 128432083852944 is 11332788.

It is a perfect power (a square), and thus also a powerful number.

128432083852944 is a `hidden beast` number, since 1 + 2 + 8 + 4 + 3 + 20 + 83 + 8 + 529 + 4 + 4 = 666.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 135521257 + ... + 136465655.

Almost surely, 2128432083852944 is an apocalyptic number.

128432083852944 is the 11332788-th square number.

It is an amenable number.

128432083852944 is an abundant number, since it is smaller than the sum of its proper divisors (230999753634259).

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

128432083852944 is an frugal number, since it uses more digits than its factorization.

128432083852944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888812 (or 944404 counting only the distinct ones).

The product of its (nonzero) digits is 106168320, while the sum is 63.

The spelling of 128432083852944 in words is "one hundred twenty-eight trillion, four hundred thirty-two billion, eighty-three million, eight hundred fifty-two thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 944399 1888798 2833197 3777596 5666394 7555192 8499591 11332788 15110384 16999182 22665576 33998364 45331152 67996728 135993456 891889471201 1783778942402 2675668413603 3567557884804 5351336827206 7135115769608 8027005240809 10702673654412 14270231539216 16054010481618 21405347308824 32108020963236 42810694617648 64216041926472 128432083852944