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275907142392 = 23372325172167
BaseRepresentation
bin1000000001111010101…
…10001110001011111000
3222101011102222001100120
410000331112032023320
514010024212024032
6330425555333240
725635144005100
oct4007526161370
9871142861316
10275907142392
11a7014430832
12455808b1220
132003051ca4b
14d4d5454200
15729c47962c
hex403d58e2f8

275907142392 has 96 divisors (see below), whose sum is σ = 802640949120. Its totient is φ = 78805272000.

The previous prime is 275907142391. The next prime is 275907142421. The reversal of 275907142392 is 293241709572.

275907142392 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2759071423922 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275907142391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3787093 + ... + 3859259.

It is an arithmetic number, because the mean of its divisors is an integer number (8360843220).

Almost surely, 2275907142392 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 275907142392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401320474560).

275907142392 is an abundant number, since it is smaller than the sum of its proper divisors (526733806728).

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

275907142392 is a wasteful number, since it uses less digits than its factorization.

275907142392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75441 (or 75430 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 275907142392 in words is "two hundred seventy-five billion, nine hundred seven million, one hundred forty-two thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 84 98 147 168 196 294 392 588 1176 3251 6502 9753 13004 19506 22757 26008 39012 45514 68271 72167 78024 91028 136542 144334 159299 182056 216501 273084 288668 318598 433002 477897 505169 546168 577336 637196 866004 955794 1010338 1274392 1515507 1732008 1911588 2020676 3031014 3536183 3823176 4041352 6062028 7072366 10608549 12124056 14144732 21217098 28289464 42434196 84868392 234614917 469229834 703844751 938459668 1407689502 1642304419 1876919336 2815379004 3284608838 4926913257 5630758008 6569217676 9853826514 11496130933 13138435352 19707653028 22992261866 34488392799 39415306056 45984523732 68976785598 91969047464 137953571196 275907142392