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1351120401 = 32150124489
BaseRepresentation
bin101000010001000…
…0111011000010001
310111011101000202100
41100202013120101
510231341323101
6342023111013
745324222351
oct12042073021
93434330670
101351120401
11633743834
123185a2469
13186bc6337
14cb62ab61
157d93be86
hex50887611

1351120401 has 6 divisors (see below), whose sum is σ = 1951618370. Its totient is φ = 900746928.

The previous prime is 1351120357. The next prime is 1351120403. The reversal of 1351120401 is 1040211531.

It can be written as a sum of positive squares in only one way, i.e., 1107292176 + 243828225 = 33276^2 + 15615^2 .

It is not a de Polignac number, because 1351120401 - 217 = 1350989329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1351120403) 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 5 ways as a sum of consecutive naturals, for example, 75062236 + ... + 75062253.

Almost surely, 21351120401 is an apocalyptic number.

It is an amenable number.

1351120401 is a deficient number, since it is larger than the sum of its proper divisors (600497969).

1351120401 is a wasteful number, since it uses less digits than its factorization.

1351120401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150124495 (or 150124492 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1351120401 is about 36757.5897060729. The cubic root of 1351120401 is about 1105.5151126466.

Adding to 1351120401 its reverse (1040211531), we get a palindrome (2391331932).

The spelling of 1351120401 in words is "one billion, three hundred fifty-one million, one hundred twenty thousand, four hundred one".

Divisors: 1 3 9 150124489 450373467 1351120401