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258478053152 = 25112381139367
BaseRepresentation
bin1111000010111001111…
…1100001011100100000
3220201011210001120122212
43300232133201130200
513213330340200102
6314424305421252
724450220125614
oct3605637413440
9821153046585
10258478053152
119a690139050
124211793a828
131b4b36717a7
14c72079b344
156acc294c52
hex3c2e7e1720

258478053152 has 96 divisors (see below), whose sum is σ = 580005909504. Its totient is φ = 112240339200.

The previous prime is 258478053139. The next prime is 258478053157. The reversal of 258478053152 is 251350874852.

258478053152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2584780531522 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 258478053152.

It is not an unprimeable number, because it can be changed into a prime (258478053157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6546173 + ... + 6585539.

It is an arithmetic number, because the mean of its divisors is an integer number (6041728224).

Almost surely, 2258478053152 is an apocalyptic number.

258478053152 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 258478053152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290002954752).

258478053152 is an abundant number, since it is smaller than the sum of its proper divisors (321527856352).

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

258478053152 is a wasteful number, since it uses less digits than its factorization.

258478053152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40222 (or 40214 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 50.

The spelling of 258478053152 in words is "two hundred fifty-eight billion, four hundred seventy-eight million, fifty-three thousand, one hundred fifty-two".

Divisors: 1 2 4 8 11 16 22 23 32 44 46 88 92 176 184 253 352 368 506 736 811 1012 1622 2024 3244 4048 6488 8096 8921 12976 17842 18653 25952 35684 37306 39367 71368 74612 78734 142736 149224 157468 205183 285472 298448 314936 410366 433037 596896 629872 820732 866074 905441 1259744 1641464 1732148 1810882 3282928 3464296 3621764 6565856 6928592 7243528 9959851 13857184 14487056 19919702 28974112 31926637 39839404 63853274 79678808 127706548 159357616 255413096 318715232 351193007 510826192 702386014 734312651 1021652384 1404772028 1468625302 2809544056 2937250604 5619088112 5874501208 8077439161 11238176224 11749002416 16154878322 23498004832 32309756644 64619513288 129239026576 258478053152