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10212440222440 = 235595657764947
BaseRepresentation
bin1001010010011100010011…
…0111110010101011101000
31100011022002111222201100001
42110213010313302223220
52314310034144104230
633415310312152344
72102552534422351
oct224470467625350
940138074881301
1010212440222440
1132880872a4495
12118b2a56986b4
1359104b894661
142743db4a2d28
1512a9b05e40ca
hex949c4df2ae8

10212440222440 has 64 divisors (see below), whose sum is σ = 23371609233600. Its totient is φ = 4015024086528.

The previous prime is 10212440222423. The next prime is 10212440222443. The reversal of 10212440222440 is 4422204421201.

It is a happy number.

10212440222440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10212440222399 and 10212440222408.

It is not an unprimeable number, because it can be changed into a prime (10212440222443) 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, 12968047 + ... + 13732993.

It is an arithmetic number, because the mean of its divisors is an integer number (365181394275).

Almost surely, 210212440222440 is an apocalyptic number.

10212440222440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212440222440 is an abundant number, since it is smaller than the sum of its proper divisors (13159169011160).

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

10212440222440 is a wasteful number, since it uses less digits than its factorization.

10212440222440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770674 (or 770670 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 10212440222440 its reverse (4422204421201), we get a palindrome (14634644643641).

The spelling of 10212440222440 in words is "ten trillion, two hundred twelve billion, four hundred forty million, two hundred twenty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 59 118 236 295 472 590 1180 2360 5657 11314 22628 28285 45256 56570 113140 226280 333763 667526 764947 1335052 1529894 1668815 2670104 3059788 3337630 3824735 6119576 6675260 7649470 13350520 15298940 30597880 45131873 90263746 180527492 225659365 361054984 451318730 902637460 1805274920 4327305179 8654610358 17309220716 21636525895 34618441432 43273051790 86546103580 173092207160 255311005561 510622011122 1021244022244 1276555027805 2042488044488 2553110055610 5106220111220 10212440222440