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12400808017325 = 5271319319254507
BaseRepresentation
bin1011010001110100100111…
…0000011011110110101101
31121220111122122002000011212
42310131021300123312231
53111133323323023300
642212504052524205
72416633403651120
oct264351160336655
947814578060155
1012400808017325
113a51175923612
121483439620665
136bc51155a090
1430c2b91d63b7
15167890726935
hexb4749c1bdad

12400808017325 has 96 divisors (see below), whose sum is σ = 20564257136640. Its totient is φ = 7196303865600.

The previous prime is 12400808017319. The next prime is 12400808017331. The reversal of 12400808017325 is 52371080800421.

It is an interprime number because it is at equal distance from previous prime (12400808017319) and next prime (12400808017331).

It is not a de Polignac number, because 12400808017325 - 220 = 12400806968749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3287279 + ... + 5967228.

It is an arithmetic number, because the mean of its divisors is an integer number (214211011840).

Almost surely, 212400808017325 is an apocalyptic number.

It is an amenable number.

12400808017325 is a deficient number, since it is larger than the sum of its proper divisors (8163449119315).

12400808017325 is a wasteful number, since it uses less digits than its factorization.

12400808017325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9254587 (or 9254582 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

Adding to 12400808017325 its reverse (52371080800421), we get a palindrome (64771888817746).

The spelling of 12400808017325 in words is "twelve trillion, four hundred billion, eight hundred eight million, seventeen thousand, three hundred twenty-five".

Divisors: 1 5 7 13 19 25 31 35 65 91 95 133 155 175 217 247 325 403 455 475 589 665 775 1085 1235 1729 2015 2275 2821 2945 3325 4123 5425 6175 7657 8645 10075 14105 14725 20615 38285 43225 53599 70525 103075 191425 267995 1339975 9254507 46272535 64781549 120308591 175835633 231362675 286889717 323907745 601542955 842160137 879178165 1230849431 1434448585 1619538725 2008228019 2285863229 3007714775 3729566321 4210800685 4395890825 5450904623 6154247155 7172242925 10041140095 11429316145 16001042603 18647831605 21054003425 26106964247 27254523115 30771235775 38156332361 50205700475 57146580725 70861760099 80005213015 93239158025 130534821235 136272615575 190781661805 354308800495 400026065075 496032320693 652674106175 953908309025 1771544002475 2480161603465 12400808017325