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315453031132261 = 11105563271662877
BaseRepresentation
bin100011110111001110010000…
…1110111010010110001100101
31112100221000102010021222111011
41013232130201313102301211
5312321340301432213021
63034525042155142221
7123305505120031561
oct10756344167226145
91470830363258434
10315453031132261
1191570974259a30
122b468ab1a44971
1310703129997319
1457c80185cc6a1
1526709cd404de1
hex11ee721dd2c65

315453031132261 has 8 divisors (see below), whose sum is σ = 344133840638304. Its totient is φ = 286772765163120.

The previous prime is 315453031132223. The next prime is 315453031132277. The reversal of 315453031132261 is 162231130354513.

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 315453031132261 - 219 = 315453030607973 is a prime.

It is a super-2 number, since 2×3154530311322612 (a number of 30 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 (315453031132361) 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, 134670246 + ... + 136992631.

It is an arithmetic number, because the mean of its divisors is an integer number (43016730079788).

Almost surely, 2315453031132261 is an apocalyptic number.

It is an amenable number.

315453031132261 is a deficient number, since it is larger than the sum of its proper divisors (28680809506043).

315453031132261 is a wasteful number, since it uses less digits than its factorization.

315453031132261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271768451.

The product of its (nonzero) digits is 194400, while the sum is 40.

Adding to 315453031132261 its reverse (162231130354513), we get a palindrome (477684161486774).

The spelling of 315453031132261 in words is "three hundred fifteen trillion, four hundred fifty-three billion, thirty-one million, one hundred thirty-two thousand, two hundred sixty-one".

Divisors: 1 11 105563 1161193 271662877 2988291647 28677548284751 315453031132261