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1200146441 = 13711379491
BaseRepresentation
bin100011110001000…
…1100100000001001
310002122021202102012
41013202030200021
54424214141231
6315031145305
741512035134
oct10742144011
93078252365
101200146441
115664a686a
12295b15235
13161846030
14b556b21b
1570568e2b
hex4788c809

1200146441 has 16 divisors (see below), whose sum is σ = 1320375168. Its totient is φ = 1084137600.

The previous prime is 1200146429. The next prime is 1200146443. The reversal of 1200146441 is 1446410021.

It is a happy number.

It is not a de Polignac number, because 1200146441 - 26 = 1200146377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200146443) 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 15 ways as a sum of consecutive naturals, for example, 121706 + ... + 131196.

It is an arithmetic number, because the mean of its divisors is an integer number (82523448).

Almost surely, 21200146441 is an apocalyptic number.

It is an amenable number.

1200146441 is a deficient number, since it is larger than the sum of its proper divisors (120228727).

1200146441 is a wasteful number, since it uses less digits than its factorization.

1200146441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9712.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1200146441 is about 34643.1297806650. The cubic root of 1200146441 is about 1062.7017943087.

Adding to 1200146441 its reverse (1446410021), we get a palindrome (2646556462).

The spelling of 1200146441 in words is "one billion, two hundred million, one hundred forty-six thousand, four hundred forty-one".

Divisors: 1 13 71 137 923 1781 9491 9727 123383 126451 673861 1300267 8760193 16903471 92318957 1200146441