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897941218048 = 287947529127
BaseRepresentation
bin11010001000100010111…
…01111010001100000000
310011211202001211010022221
431010101131322030000
5104202440422434143
61524301500340424
7121605551263540
oct15042135721400
93154661733287
10897941218048
113168a6454506
1212603a844714
13668a20a0334
1431663bc9320
15185569072ed
hexd11177a300

897941218048 has 72 divisors (see below), whose sum is σ = 2050595350272. Its totient is φ = 384424854528.

The previous prime is 897941217967. The next prime is 897941218073. The reversal of 897941218048 is 840812149798.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1432461 + ... + 1961587.

It is an arithmetic number, because the mean of its divisors is an integer number (28480490976).

Almost surely, 2897941218048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897941218048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1025297675136).

897941218048 is an abundant number, since it is smaller than the sum of its proper divisors (1152654132224).

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

897941218048 is an equidigital number, since it uses as much as digits as its factorization.

897941218048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530097 (or 530083 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 61.

The spelling of 897941218048 in words is "eight hundred ninety-seven billion, nine hundred forty-one million, two hundred eighteen thousand, forty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 896 947 1792 1894 3788 6629 7576 13258 15152 26516 30304 53032 60608 106064 121216 212128 242432 424256 529127 848512 1058254 1697024 2116508 3703889 4233016 7407778 8466032 14815556 16932064 29631112 33864128 59262224 67728256 118524448 135456512 237048896 474097792 501083269 948195584 1002166538 2004333076 3507582883 4008666152 7015165766 8017332304 14030331532 16034664608 28060663064 32069329216 56121326128 64138658432 112242652256 128277316864 224485304512 448970609024 897941218048