Search a number
-
+
2031553120 = 25512697207
BaseRepresentation
bin111100100010111…
…0000101001100000
312020120201120222011
41321011300221200
513130034144440
6533331122304
7101225626252
oct17105605140
95216646864
102031553120
11952838a23
12488443394
13264b7424c
14153b4dcd2
15bd5469ea
hex79170a60

2031553120 has 24 divisors (see below), whose sum is σ = 4799544624. Its totient is φ = 812621184.

The previous prime is 2031553067. The next prime is 2031553127. The reversal of 2031553120 is 213551302.

It is a junction number, because it is equal to n+sod(n) for n = 2031553091 and 2031553100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031553127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6348444 + ... + 6348763.

It is an arithmetic number, because the mean of its divisors is an integer number (199981026).

Almost surely, 22031553120 is an apocalyptic number.

2031553120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031553120 is an abundant number, since it is smaller than the sum of its proper divisors (2767991504).

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

2031553120 is a wasteful number, since it uses less digits than its factorization.

2031553120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12697222 (or 12697214 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 2031553120 is about 45072.7536323220. The cubic root of 2031553120 is about 1266.5122483349.

The spelling of 2031553120 in words is "two billion, thirty-one million, five hundred fifty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 12697207 25394414 50788828 63486035 101577656 126972070 203155312 253944140 406310624 507888280 1015776560 2031553120