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50431415423461 = 163309395186647
BaseRepresentation
bin10110111011101111110101…
…00110100001000111100101
320121120012022001101111110221
423131313322212201013211
523102232014322022321
6255131512235044341
713423356326132032
oct1335677246410745
9217505261344427
1050431415423461
1115083930298076
1257a5b42ba06b1
13221a87b745187
14c64c71bc0389
155c6c84571e41
hex2dddfa9a11e5

50431415423461 has 4 divisors (see below), whose sum is σ = 50740810610272. Its totient is φ = 50122020236652.

The previous prime is 50431415423437. The next prime is 50431415423527. The reversal of 50431415423461 is 16432451413405.

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-50431415423461 is a prime.

It is a super-2 number, since 2×504314154234612 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50431415420461) 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, 154697593161 + ... + 154697593486.

It is an arithmetic number, because the mean of its divisors is an integer number (12685202652568).

Almost surely, 250431415423461 is an apocalyptic number.

It is an amenable number.

50431415423461 is a deficient number, since it is larger than the sum of its proper divisors (309395186811).

50431415423461 is a wasteful number, since it uses less digits than its factorization.

50431415423461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309395186810.

The product of its (nonzero) digits is 691200, while the sum is 43.

Adding to 50431415423461 its reverse (16432451413405), we get a palindrome (66863866836866).

The spelling of 50431415423461 in words is "fifty trillion, four hundred thirty-one billion, four hundred fifteen million, four hundred twenty-three thousand, four hundred sixty-one".

Divisors: 1 163 309395186647 50431415423461