Search a number
-
+
1300026140 = 225711877823
BaseRepresentation
bin100110101111100…
…1101001100011100
310100121020011121022
41031133031030130
510130301314030
6333000023312
744134016450
oct11537151434
93317204538
101300026140
11607915976
12303461b38
13179446b4a
14c492a660
15791e7de5
hex4d7cd31c

1300026140 has 48 divisors (see below), whose sum is σ = 3123090432. Its totient is φ = 445290816.

The previous prime is 1300026127. The next prime is 1300026163. The reversal of 1300026140 is 416200031.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 162269 + ... + 170091.

It is an arithmetic number, because the mean of its divisors is an integer number (65064384).

Almost surely, 21300026140 is an apocalyptic number.

1300026140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300026140 is an abundant number, since it is smaller than the sum of its proper divisors (1823064292).

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

1300026140 is a wasteful number, since it uses less digits than its factorization.

1300026140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9026 (or 9024 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1300026140 is about 36055.8752493959. The cubic root of 1300026140 is about 1091.4001981428.

Adding to 1300026140 its reverse (416200031), we get a palindrome (1716226171).

The spelling of 1300026140 in words is "one billion, three hundred million, twenty-six thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1187 2374 4748 5935 7823 8309 11870 15646 16618 23740 31292 33236 39115 41545 54761 78230 83090 109522 156460 166180 219044 273805 547610 1095220 9285901 18571802 37143604 46429505 65001307 92859010 130002614 185718020 260005228 325006535 650013070 1300026140