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2151302442 = 23670153507
BaseRepresentation
bin1000000000111010…
…0100010100101010
312112221001111011020
42000032210110222
513401213134232
6553245513310
7104211524532
oct20016442452
95487044136
102151302442
11a04399403
12500572836
13283911033
14165a024c2
15c8cece2c
hex803a452a

2151302442 has 16 divisors (see below), whose sum is σ = 4303327392. Its totient is φ = 716980400.

The previous prime is 2151302441. The next prime is 2151302453. The reversal of 2151302442 is 2442031512.

It is not an unprimeable number, because it can be changed into a prime (2151302441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13453 + ... + 66959.

It is an arithmetic number, because the mean of its divisors is an integer number (268957962).

Almost surely, 22151302442 is an apocalyptic number.

2151302442 is an abundant number, since it is smaller than the sum of its proper divisors (2152024950).

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

2151302442 is a wasteful number, since it uses less digits than its factorization.

2151302442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60213.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2151302442 is about 46382.1349443943. The cubic root of 2151302442 is about 1290.9234503194.

Adding to 2151302442 its reverse (2442031512), we get a palindrome (4593333954).

The spelling of 2151302442 in words is "two billion, one hundred fifty-one million, three hundred two thousand, four hundred forty-two".

Divisors: 1 2 3 6 6701 13402 20103 40206 53507 107014 160521 321042 358550407 717100814 1075651221 2151302442