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10031303120 = 245211159399
BaseRepresentation
bin10010101011110100…
…11000100111010000
3221220002122222221012
421111322120213100
5131021003144440
64335221350052
7503404445456
oct112572304720
927802588835
1010031303120
114288455563
121b3b568328
13c3b32a627
146b23909d6
153da9e2e65
hex255e989d0

10031303120 has 40 divisors (see below), whose sum is σ = 23334220800. Its totient is φ = 4010552960.

The previous prime is 10031303083. The next prime is 10031303141. The reversal of 10031303120 is 2130313001.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 10031303095 and 10031303104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139181 + ... + 198579.

It is an arithmetic number, because the mean of its divisors is an integer number (583355520).

Almost surely, 210031303120 is an apocalyptic number.

10031303120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10031303120 is an abundant number, since it is smaller than the sum of its proper divisors (13302917680).

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

10031303120 is a wasteful number, since it uses less digits than its factorization.

10031303120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61523 (or 61517 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 10031303120 its reverse (2130313001), we get a palindrome (12161616121).

The spelling of 10031303120 in words is "ten billion, thirty-one million, three hundred three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 2111 4222 8444 10555 16888 21110 33776 42220 59399 84440 118798 168880 237596 296995 475192 593990 950384 1187980 2375960 4751920 125391289 250782578 501565156 626956445 1003130312 1253912890 2006260624 2507825780 5015651560 10031303120