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317457457145 = 5392316184423
BaseRepresentation
bin1001001111010011111…
…00000101111111111001
31010100102011012201212222
410213221330011333321
520200123102112040
6401500555013425
731635614602013
oct4475174057771
91110364181788
10317457457145
111126a6505234
1251637a3a275
1323c2282ccca
14115178a11b3
1583d00e8bb5
hex49e9f05ff9

317457457145 has 8 divisors (see below), whose sum is σ = 381046078656. Its totient is φ = 253901212336.

The previous prime is 317457457103. The next prime is 317457457147. The reversal of 317457457145 is 541754754713.

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 317457457145 - 220 = 317456408569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317457457147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8072597 + ... + 8111826.

It is an arithmetic number, because the mean of its divisors is an integer number (47630759832).

Almost surely, 2317457457145 is an apocalyptic number.

It is an amenable number.

317457457145 is a deficient number, since it is larger than the sum of its proper divisors (63588621511).

317457457145 is a wasteful number, since it uses less digits than its factorization.

317457457145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16188351.

The product of its digits is 8232000, while the sum is 53.

The spelling of 317457457145 in words is "three hundred seventeen billion, four hundred fifty-seven million, four hundred fifty-seven thousand, one hundred forty-five".

Divisors: 1 5 3923 19615 16184423 80922115 63491491429 317457457145