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31240300514124 = 223132110271396979
BaseRepresentation
bin1110001101001101100110…
…00000111100101101001100
311002121112200020221002211210
413012212303000330231030
513043320113412422444
6150235332415414420
76403015524663432
oct706466300745514
9132545606832753
1031240300514124
119a54a34230969
1236066b5524410
131457c42127300
147a0077d4ad52
15392972a5c7b9
hex1c69b303cb4c

31240300514124 has 72 divisors (see below), whose sum is σ = 78939808234560. Its totient is φ = 9611521563072.

The previous prime is 31240300514113. The next prime is 31240300514153. The reversal of 31240300514124 is 42141500304213.

It is a junction number, because it is equal to n+sod(n) for n = 31240300514091 and 31240300514100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21664267 + ... + 23061245.

It is an arithmetic number, because the mean of its divisors is an integer number (1096386225480).

Almost surely, 231240300514124 is an apocalyptic number.

It is an amenable number.

31240300514124 is an abundant number, since it is smaller than the sum of its proper divisors (47699507720436).

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

31240300514124 is a wasteful number, since it uses less digits than its factorization.

31240300514124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408039 (or 1408024 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 31240300514124 its reverse (42141500304213), we get a palindrome (73381800818337).

The spelling of 31240300514124 in words is "thirty-one trillion, two hundred forty billion, three hundred million, five hundred fourteen thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 169 338 507 676 1014 2028 11027 22054 33081 44108 66162 132324 143351 286702 430053 573404 860106 1396979 1720212 1863563 2793958 3727126 4190937 5587916 5590689 7454252 8381874 11181378 16763748 18160727 22362756 36321454 54482181 72642908 108964362 217928724 236089451 472178902 708268353 944357804 1416536706 2833073412 15404487433 30808974866 46213462299 61617949732 92426924598 184853849196 200258336629 400516673258 600775009887 801033346516 1201550019774 2403100039548 2603358376177 5206716752354 7810075128531 10413433504708 15620150257062 31240300514124