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2831306897056 = 251123402786843
BaseRepresentation
bin101001001100110111000…
…010101011011010100000
3101000200002122102202001111
4221030313002223122200
5332342004031201211
610004403500513104
7411361265353321
oct51146702533240
911020078382044
102831306897056
119a1828a27720
12398886b4b794
13176cb65871b1
149b070a58448
154d9ae9ec421
hex293370ab6a0

2831306897056 has 96 divisors (see below), whose sum is σ = 6346909675008. Its totient is φ = 1230683139840.

The previous prime is 2831306897053. The next prime is 2831306897057. The reversal of 2831306897056 is 6507986031382.

It is not an unprimeable number, because it can be changed into a prime (2831306897053) 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, 32559171 + ... + 32646013.

It is an arithmetic number, because the mean of its divisors is an integer number (66113642448).

Almost surely, 22831306897056 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 2831306897056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3173454837504).

2831306897056 is an abundant number, since it is smaller than the sum of its proper divisors (3515602777952).

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

2831306897056 is a wasteful number, since it uses less digits than its factorization.

2831306897056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90914 (or 90906 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 2831306897056 in words is "two trillion, eight hundred thirty-one billion, three hundred six million, eight hundred ninety-seven thousand, fifty-six".

Divisors: 1 2 4 8 11 16 22 23 32 44 46 88 92 176 184 253 352 368 506 736 1012 2024 4027 4048 8054 8096 16108 32216 44297 64432 86843 88594 92621 128864 173686 177188 185242 347372 354376 370484 694744 708752 740968 955273 1018831 1389488 1417504 1481936 1910546 1997389 2037662 2778976 2963872 3821092 3994778 4075324 7642184 7989556 8150648 15284368 15979112 16301296 21971279 30568736 31958224 32602592 43942558 63916448 87885116 175770232 349716761 351540464 699433522 703080928 1398867044 2797734088 3846884371 5595468176 7693768742 8043485503 11190936352 15387537484 16086971006 30775074968 32173942012 61550149936 64347884024 88478340533 123100299872 128695768048 176956681066 257391536096 353913362132 707826724264 1415653448528 2831306897056