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2124430421215 = 5462191946783
BaseRepresentation
bin11110111010100001111…
…010111010110011011111
321112002112012122011211011
4132322201322322303133
5234301313141434330
64303541100440051
7306325236430264
oct36724172726337
97462465564734
102124430421215
11749a69652a43
122a388b549027
131254435a334b
1474b7438d26b
153a3dbdca82a
hex1eea1ebacdf

2124430421215 has 8 divisors (see below), whose sum is σ = 2549868213888. Its totient is φ = 1699176531360.

The previous prime is 2124430421203. The next prime is 2124430421221. The reversal of 2124430421215 is 5121240344212.

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

It is not a de Polignac number, because 2124430421215 - 215 = 2124430388447 is a prime.

It is a super-2 number, since 2×21244304212152 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45950287 + ... + 45996496.

It is an arithmetic number, because the mean of its divisors is an integer number (318733526736).

Almost surely, 22124430421215 is an apocalyptic number.

2124430421215 is a deficient number, since it is larger than the sum of its proper divisors (425437792673).

2124430421215 is an equidigital number, since it uses as much as digits as its factorization.

2124430421215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91951409.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 2124430421215 its reverse (5121240344212), we get a palindrome (7245670765427).

The spelling of 2124430421215 in words is "two trillion, one hundred twenty-four billion, four hundred thirty million, four hundred twenty-one thousand, two hundred fifteen".

Divisors: 1 5 4621 23105 91946783 459733915 424886084243 2124430421215