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1012132340 = 22550606617
BaseRepresentation
bin111100010100111…
…110100111110100
32121112111122112222
4330110332213310
54033101213330
6244233301512
734036661102
oct7424764764
92545448488
101012132340
1147a36000a
12242b64898
131318c749b
14985c8c72
155dccb0e5
hex3c53e9f4

1012132340 has 12 divisors (see below), whose sum is σ = 2125477956. Its totient is φ = 404852928.

The previous prime is 1012132339. The next prime is 1012132343. The reversal of 1012132340 is 432312101.

It can be written as a sum of positive squares in 2 ways, for example, as 204890596 + 807241744 = 14314^2 + 28412^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012132343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25303289 + ... + 25303328.

It is an arithmetic number, because the mean of its divisors is an integer number (177123163).

Almost surely, 21012132340 is an apocalyptic number.

1012132340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012132340 is an abundant number, since it is smaller than the sum of its proper divisors (1113345616).

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

1012132340 is a wasteful number, since it uses less digits than its factorization.

1012132340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50606626 (or 50606624 counting only the distinct ones).

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

The square root of 1012132340 is about 31814.0274093048. The cubic root of 1012132340 is about 1004.0278678317.

Adding to 1012132340 its reverse (432312101), we get a palindrome (1444444441).

The spelling of 1012132340 in words is "one billion, twelve million, one hundred thirty-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 50606617 101213234 202426468 253033085 506066170 1012132340