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231342451424 = 2571961338863
BaseRepresentation
bin1101011101110100010…
…1011010101011100000
3211010010122122012000122
43113131011122223200
512242242131421144
6254135515335412
722466611251260
oct3273505325340
9733118565018
10231342451424
118a125867917
1238a04151568
1318a7a863816
14b2a893b7a0
15603ed767ee
hex35dd15aae0

231342451424 has 96 divisors (see below), whose sum is σ = 548067502080. Its totient is φ = 93902602752.

The previous prime is 231342451411. The next prime is 231342451447. The reversal of 231342451424 is 424154243132.

231342451424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26097617 + ... + 26106479.

It is an arithmetic number, because the mean of its divisors is an integer number (5709036480).

Almost surely, 2231342451424 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 231342451424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274033751040).

231342451424 is an abundant number, since it is smaller than the sum of its proper divisors (316725050656).

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

231342451424 is a wasteful number, since it uses less digits than its factorization.

231342451424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15032 (or 15024 counting only the distinct ones).

The product of its digits is 92160, while the sum is 35.

Adding to 231342451424 its reverse (424154243132), we get a palindrome (655496694556).

The spelling of 231342451424 in words is "two hundred thirty-one billion, three hundred forty-two million, four hundred fifty-one thousand, four hundred twenty-four".

Divisors: 1 2 4 7 8 14 16 19 28 32 38 56 76 112 133 152 224 266 304 532 608 1064 2128 4256 6133 8863 12266 17726 24532 35452 42931 49064 62041 70904 85862 98128 116527 124082 141808 168397 171724 196256 233054 248164 283616 336794 343448 466108 496328 673588 686896 815689 932216 992656 1178779 1347176 1373792 1631378 1864432 1985312 2357558 2694352 3262756 3728864 4715116 5388704 6525512 9430232 13051024 18860464 26102048 37720928 54356779 108713558 217427116 380497453 434854232 760994906 869708464 1032778801 1521989812 1739416928 2065557602 3043979624 4131115204 6087959248 7229451607 8262230408 12175918496 14458903214 16524460816 28917806428 33048921632 57835612856 115671225712 231342451424