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2124354155431 = 17314031032553
BaseRepresentation
bin11110111010011101010…
…111111111001110100111
321112002022220010110211111
4132322131113333032213
5234301134130433211
64303525334045451
7306323322246124
oct36723527771647
97462286113744
102124354155431
11749a2a5a2372
122a3869aa9887
1312543084c871
1474b681b974b
153a3d5363421
hex1ee9d5ff3a7

2124354155431 has 8 divisors (see below), whose sum is σ = 2321874751104. Its totient is φ = 1934895624960.

The previous prime is 2124354155419. The next prime is 2124354155447. The reversal of 2124354155431 is 1345514534212.

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 2124354155431 - 233 = 2115764220839 is a prime.

It is a super-2 number, since 2×21243541554312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124354155491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2015515750 + ... + 2015516803.

It is an arithmetic number, because the mean of its divisors is an integer number (290234343888).

Almost surely, 22124354155431 is an apocalyptic number.

2124354155431 is a deficient number, since it is larger than the sum of its proper divisors (197520595673).

2124354155431 is a wasteful number, since it uses less digits than its factorization.

2124354155431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4031032601.

The product of its digits is 288000, while the sum is 40.

Adding to 2124354155431 its reverse (1345514534212), we get a palindrome (3469868689643).

The spelling of 2124354155431 in words is "two trillion, one hundred twenty-four billion, three hundred fifty-four million, one hundred fifty-five thousand, four hundred thirty-one".

Divisors: 1 17 31 527 4031032553 68527553401 124962009143 2124354155431