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10120215140 = 225772287251
BaseRepresentation
bin10010110110011011…
…00011101001100100
3222010021222012021222
421123031203221210
5131211233341030
64352115155512
7505534260260
oct113315435144
928107865258
1010120215140
114323663472
121b652a5b98
13c5388b2a9
146c00d70a0
153e37073e5
hex25b363a64

10120215140 has 24 divisors (see below), whose sum is σ = 24288516672. Its totient is φ = 3469788000.

The previous prime is 10120215137. The next prime is 10120215151. The reversal of 10120215140 is 4151202101.

10120215140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36143486 + ... + 36143765.

It is an arithmetic number, because the mean of its divisors is an integer number (1012021528).

Almost surely, 210120215140 is an apocalyptic number.

10120215140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120215140 is an abundant number, since it is smaller than the sum of its proper divisors (14168301532).

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

10120215140 is a wasteful number, since it uses less digits than its factorization.

10120215140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72287267 (or 72287265 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 10120215140 its reverse (4151202101), we get a palindrome (14271417241).

The spelling of 10120215140 in words is "ten billion, one hundred twenty million, two hundred fifteen thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 72287251 144574502 289149004 361436255 506010757 722872510 1012021514 1445745020 2024043028 2530053785 5060107570 10120215140