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10310120220 = 22351747215063
BaseRepresentation
bin10011001101000011…
…11111001100011100
3222121112022101002110
421212201333030130
5132103342321340
64423021354020
7513331401351
oct114641771434
928545271073
1010310120220
114410880a14
121bb8a08910
13c8401c76a
146db40c628
1540521a680
hex26687f31c

10310120220 has 96 divisors (see below), whose sum is σ = 31216969728. Its totient is φ = 2532570112.

The previous prime is 10310120209. The next prime is 10310120221. The reversal of 10310120220 is 2202101301.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10310120196 and 10310120205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10310120221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59592 + ... + 155471.

It is an arithmetic number, because the mean of its divisors is an integer number (325176768).

Almost surely, 210310120220 is an apocalyptic number.

10310120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10310120220 is an abundant number, since it is smaller than the sum of its proper divisors (20906849508).

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

10310120220 is a wasteful number, since it uses less digits than its factorization.

10310120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215139 (or 215137 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10310120220 its reverse (2202101301), we get a palindrome (12512221521).

It can be divided in two parts, 103101 and 20220, that added together give a palindrome (123321).

The spelling of 10310120220 in words is "ten billion, three hundred ten million, one hundred twenty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 47 51 60 68 85 94 102 141 170 188 204 235 255 282 340 470 510 564 705 799 940 1020 1410 1598 2397 2820 3196 3995 4794 7990 9588 11985 15980 23970 47940 215063 430126 645189 860252 1075315 1290378 2150630 2580756 3225945 3656071 4301260 6451890 7312142 10107961 10968213 12903780 14624284 18280355 20215922 21936426 30323883 36560710 40431844 43872852 50539805 54841065 60647766 73121420 101079610 109682130 121295532 151619415 171835337 202159220 219364260 303238830 343670674 515506011 606477660 687341348 859176685 1031012022 1718353370 2062024044 2577530055 3436706740 5155060110 10310120220