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10120301980 = 2254311767793
BaseRepresentation
bin10010110110011011…
…11000110110011100
3222010022010121102021
421123031320312130
5131211244130410
64352121105524
7505535101405
oct113315706634
928108117367
1010120301980
114323712738
121b653282a4
13c538bb989
146c011a9ac
153e3722eda
hex25b378d9c

10120301980 has 24 divisors (see below), whose sum is σ = 21746883312. Its totient is φ = 3953978112.

The previous prime is 10120301957. The next prime is 10120301981. The reversal of 10120301980 is 8910302101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120301981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5883037 + ... + 5884756.

It is an arithmetic number, because the mean of its divisors is an integer number (906120138).

Almost surely, 210120301980 is an apocalyptic number.

10120301980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120301980 is an abundant number, since it is smaller than the sum of its proper divisors (11626581332).

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

10120301980 is a wasteful number, since it uses less digits than its factorization.

10120301980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11767845 (or 11767843 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 10120301980 in words is "ten billion, one hundred twenty million, three hundred one thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 11767793 23535586 47071172 58838965 117677930 235355860 506015099 1012030198 2024060396 2530075495 5060150990 10120301980