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1453342121 = 711171110269
BaseRepresentation
bin101011010100000…
…0011110110101001
310202021201102120222
41112220003312221
510434023421441
6400114055425
751005130020
oct12650036651
93667642528
101453342121
116864124a0
1234687a575
131a213716a
14db0398b7
15878ced4b
hex56a03da9

1453342121 has 16 divisors (see below), whose sum is σ = 1918546560. Its totient is φ = 1065857280.

The previous prime is 1453342117. The next prime is 1453342127. The reversal of 1453342121 is 1212433541.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1453342121 - 22 = 1453342117 is a prime.

It is a super-4 number, since 4×14533421214 (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1453342127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553826 + ... + 556443.

It is an arithmetic number, because the mean of its divisors is an integer number (119909160).

Almost surely, 21453342121 is an apocalyptic number.

1453342121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1453342121 is a deficient number, since it is larger than the sum of its proper divisors (465204439).

1453342121 is a wasteful number, since it uses less digits than its factorization.

1453342121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110304.

The product of its digits is 2880, while the sum is 26.

The square root of 1453342121 is about 38122.7244697962. The cubic root of 1453342121 is about 1132.7201341331.

Adding to 1453342121 its reverse (1212433541), we get a palindrome (2665775662).

The spelling of 1453342121 in words is "one billion, four hundred fifty-three million, three hundred forty-two thousand, one hundred twenty-one".

Divisors: 1 7 11 17 77 119 187 1309 1110269 7771883 12212959 18874573 85490713 132122011 207620303 1453342121