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1430720121137 = 7349993392033
BaseRepresentation
bin10100110100011101100…
…100001000100100110001
312001202221100022122100012
4110310131210020210301
5141420103322334022
63013132545304305
7205236402242306
oct24643544104461
95052840278305
101430720121137
11501846233a5a
121b1349335095
13a4bbb234948
144d3665490ad
152733a0d2de2
hex14d1d908931

1430720121137 has 8 divisors (see below), whose sum is σ = 1450351736904. Its totient is φ = 1411089389568.

The previous prime is 1430720121119. The next prime is 1430720121167. The reversal of 1430720121137 is 7311210270341.

It can be written as a sum of positive squares in 4 ways, for example, as 32104038976 + 1398616082161 = 179176^2 + 1182631^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1430720121137 - 234 = 1413540251953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1430720121167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3453473 + ... + 3845505.

It is an arithmetic number, because the mean of its divisors is an integer number (181293967113).

Almost surely, 21430720121137 is an apocalyptic number.

It is an amenable number.

1430720121137 is a deficient number, since it is larger than the sum of its proper divisors (19631615767).

1430720121137 is an equidigital number, since it uses as much as digits as its factorization.

1430720121137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442099.

The product of its (nonzero) digits is 7056, while the sum is 32.

Adding to 1430720121137 its reverse (7311210270341), we get a palindrome (8741930391478).

The spelling of 1430720121137 in words is "one trillion, four hundred thirty billion, seven hundred twenty million, one hundred twenty-one thousand, one hundred thirty-seven".

Divisors: 1 73 49993 392033 3649489 28618409 19598905769 1430720121137