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2102432141 = 9192287739
BaseRepresentation
bin111110101010000…
…1001000110001101
312102112002121201002
41331110021012031
513301210312031
6544342230045
7103046243525
oct17524110615
95375077632
102102432141
1198984a427
124a8125325
1327675cbb4
1415d320685
15c4897ccb
hex7d50918d

2102432141 has 4 divisors (see below), whose sum is σ = 2104720800. Its totient is φ = 2100143484.

The previous prime is 2102432117. The next prime is 2102432147. The reversal of 2102432141 is 1412342012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2102432141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102432147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1142951 + ... + 1144788.

It is an arithmetic number, because the mean of its divisors is an integer number (526180200).

Almost surely, 22102432141 is an apocalyptic number.

It is an amenable number.

2102432141 is a deficient number, since it is larger than the sum of its proper divisors (2288659).

2102432141 is an equidigital number, since it uses as much as digits as its factorization.

2102432141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288658.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2102432141 is about 45852.2861044027. The cubic root of 2102432141 is about 1281.0733471271.

Adding to 2102432141 its reverse (1412342012), we get a palindrome (3514774153).

The spelling of 2102432141 in words is "two billion, one hundred two million, four hundred thirty-two thousand, one hundred forty-one".

Divisors: 1 919 2287739 2102432141