Search a number
-
+
2140231130120 = 23554139884681
BaseRepresentation
bin11111001001001111101…
…101110101110000001000
321120121022101110100122002
4133021033231311300020
5240031143132130440
64315113020450132
7310424631305066
oct37111755656010
97517271410562
102140231130120
1175573774a456
122a695b0a9948
13126a90c8cb45
1475832a85036
153aa14157115
hex1f24fb75c08

2140231130120 has 32 divisors (see below), whose sum is σ = 4816410151320. Its totient is φ = 855934210560.

The previous prime is 2140231130101. The next prime is 2140231130143. The reversal of 2140231130120 is 210311320412.

It can be written as a sum of positive squares in 4 ways, for example, as 1182295227556 + 957935902564 = 1087334^2 + 978742^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2140231130092 and 2140231130101.

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, 4725821 + ... + 5158860.

Almost surely, 22140231130120 is an apocalyptic number.

2140231130120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140231130120 is an abundant number, since it is smaller than the sum of its proper divisors (2676179021200).

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

2140231130120 is a wasteful number, since it uses less digits than its factorization.

2140231130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9890105 (or 9890101 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2140231130120 its reverse (210311320412), we get a palindrome (2350542450532).

The spelling of 2140231130120 in words is "two trillion, one hundred forty billion, two hundred thirty-one million, one hundred thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 5413 10826 21652 27065 43304 54130 108260 216520 9884681 19769362 39538724 49423405 79077448 98846810 197693620 395387240 53505778253 107011556506 214023113012 267528891265 428046226024 535057782530 1070115565060 2140231130120