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10120180 = 225772287
BaseRepresentation
bin100110100110…
…101111110100
3201001011021111
4212212233310
510042321210
61000524404
7152006620
oct46465764
921034244
1010120180
115792494
123480704
132134495
1414b6180
15d4d88a
hex9a6bf4

10120180 has 24 divisors (see below), whose sum is σ = 24288768. Its totient is φ = 3469728.

The previous prime is 10120169. The next prime is 10120183. The reversal of 10120180 is 8102101.

It is a self number, because there is not a number n which added to its sum of digits gives 10120180.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36004 + ... + 36283.

It is an arithmetic number, because the mean of its divisors is an integer number (1012032).

Almost surely, 210120180 is an apocalyptic number.

10120180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120180 is an abundant number, since it is smaller than the sum of its proper divisors (14168588).

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

10120180 is a wasteful number, since it uses less digits than its factorization.

10120180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72303 (or 72301 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 10120180 is about 3181.2230352492. The cubic root of 10120180 is about 216.3031009963.

Adding to 10120180 its reverse (8102101), we get a palindrome (18222281).

The spelling of 10120180 in words is "ten million, one hundred twenty thousand, one hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 72287 144574 289148 361435 506009 722870 1012018 1445740 2024036 2530045 5060090 10120180