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210285343488 = 28311107232633
BaseRepresentation
bin1100001111010111111…
…0111011001100000000
3202002210010222021022010
43003311332323030000
511421131021442423
6240334224412520
721123031633113
oct3036576731400
9662703867263
10210285343488
11811aa659a80
1234908177140
1316aa317523c
14a26c0c057a
15570b3e8693
hex30f5fbb300

210285343488 has 144 divisors (see below), whose sum is σ = 616253049216. Its totient is φ = 63127019520.

The previous prime is 210285343481. The next prime is 210285343511. The reversal of 210285343488 is 884343582012.

It is a super-2 number, since 2×2102853434882 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (210285343481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 787620 + ... + 1020252.

It is an arithmetic number, because the mean of its divisors is an integer number (4279535064).

Almost surely, 2210285343488 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 210285343488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308126524608).

210285343488 is an abundant number, since it is smaller than the sum of its proper divisors (405967705728).

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

210285343488 is a wasteful number, since it uses less digits than its factorization.

210285343488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232770 (or 232756 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 48.

The spelling of 210285343488 in words is "two hundred ten billion, two hundred eighty-five million, three hundred forty-three thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 107 128 132 176 192 214 256 264 321 352 384 428 528 642 704 768 856 1056 1177 1284 1408 1712 2112 2354 2568 2816 3424 3531 4224 4708 5136 6848 7062 8448 9416 10272 13696 14124 18832 20544 27392 28248 37664 41088 56496 75328 82176 112992 150656 225984 232633 301312 451968 465266 697899 903936 930532 1395798 1861064 2558963 2791596 3722128 5117926 5583192 7444256 7676889 10235852 11166384 14888512 15353778 20471704 22332768 24891731 29777024 30707556 40943408 44665536 49783462 59554048 61415112 74675193 81886816 89331072 99566924 122830224 149350386 163773632 178662144 199133848 245660448 273809041 298700772 327547264 398267696 491320896 547618082 597401544 655094528 796535392 821427123 982641792 1095236164 1194803088 1593070784 1642854246 1965283584 2190472328 2389606176 3186141568 3285708492 4380944656 4779212352 6372283136 6571416984 8761889312 9558424704 13142833968 17523778624 19116849408 26285667936 35047557248 52571335872 70095114496 105142671744 210285343488