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16434161212357 = 72347737316051
BaseRepresentation
bin1110111100100110000001…
…0101110101101111000101
32011012002102221200120022201
43233021200111311233011
54123224130232243412
654541425513354501
73314220556311010
oct357114025655705
964162387616281
1016434161212357
115266763626279
121a15073408a31
13922972336675
1440b5bc046377
151d77548b9e57
hexef260575bc5

16434161212357 has 4 divisors (see below), whose sum is σ = 18781898528416. Its totient is φ = 14086423896300.

The previous prime is 16434161212333. The next prime is 16434161212379. The reversal of 16434161212357 is 75321216143461.

It is a happy number.

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 not a de Polignac number, because 16434161212357 - 235 = 16399801473989 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 (16434161213357) 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, 1173868658019 + ... + 1173868658032.

It is an arithmetic number, because the mean of its divisors is an integer number (4695474632104).

Almost surely, 216434161212357 is an apocalyptic number.

It is an amenable number.

16434161212357 is a deficient number, since it is larger than the sum of its proper divisors (2347737316059).

16434161212357 is an equidigital number, since it uses as much as digits as its factorization.

16434161212357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347737316058.

The product of its digits is 725760, while the sum is 46.

The spelling of 16434161212357 in words is "sixteen trillion, four hundred thirty-four billion, one hundred sixty-one million, two hundred twelve thousand, three hundred fifty-seven".

Divisors: 1 7 2347737316051 16434161212357