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5431123020025 = 523133617208463
BaseRepresentation
bin100111100001000100000…
…1010001000100011111001
3201020012200022010201122101
41033002020022020203321
51202440414443120100
615315005023023401
71100246201652643
oct117021012104371
921205608121571
105431123020025
1118043653a050a
1273870813ab61
133051ca648291
1414ac211a5893
159642162586a
hex4f0882888f9

5431123020025 has 24 divisors (see below), whose sum is σ = 6952077609984. Its totient is φ = 4204595155200.

The previous prime is 5431123020023. The next prime is 5431123020067. The reversal of 5431123020025 is 5200203211345.

It is not a de Polignac number, because 5431123020025 - 21 = 5431123020023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5431123019975 and 5431123020002.

It is not an unprimeable number, because it can be changed into a prime (5431123020023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25948944 + ... + 26157406.

It is an arithmetic number, because the mean of its divisors is an integer number (289669900416).

Almost surely, 25431123020025 is an apocalyptic number.

It is an amenable number.

5431123020025 is a deficient number, since it is larger than the sum of its proper divisors (1520954589959).

5431123020025 is a wasteful number, since it uses less digits than its factorization.

5431123020025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242121 (or 242116 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 5431123020025 in words is "five trillion, four hundred thirty-one billion, one hundred twenty-three million, twenty thousand, twenty-five".

Divisors: 1 5 25 31 155 775 33617 168085 208463 840425 1042127 1042315 5210635 5211575 6462353 26053175 32311765 161558825 7007900671 35039503355 175197516775 217244920801 1086224604005 5431123020025