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231798454272 = 2113571123263
BaseRepresentation
bin1101011111100001000…
…0111011100000000000
3211011022102200112100000
43113320100323200000
512244210401014042
6254253045200000
722514116231530
oct3277020734000
9734272615300
10231798454272
118a33a203580
1238b10a00000
1318b211828a8
14b30d31d4c0
156069ded74c
hex35f843b800

231798454272 has 1152 divisors, whose sum is σ = 906654228480. Its totient is φ = 57370705920.

The previous prime is 231798454267. The next prime is 231798454309. The reversal of 231798454272 is 272454897132.

231798454272 is a `hidden beast` number, since 2 + 3 + 1 + 7 + 98 + 4 + 542 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 881362813 + ... + 881363075.

It is an arithmetic number, because the mean of its divisors is an integer number (787026240).

Almost surely, 2231798454272 is an apocalyptic number.

231798454272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231798454272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453327114240).

231798454272 is an abundant number, since it is smaller than the sum of its proper divisors (674855774208).

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

231798454272 is a wasteful number, since it uses less digits than its factorization.

231798454272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 309 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 231798454272 in words is "two hundred thirty-one billion, seven hundred ninety-eight million, four hundred fifty-four thousand, two hundred seventy-two".