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315005612303420 = 22515750280615171
BaseRepresentation
bin100011110011111101111010…
…1100111111010010000111100
31112022100020112201211112001022
41013213323311213322100330
5312242022443222202140
63033543325221003312
7123231255504525263
oct10747736547722074
91468306481745038
10315005612303420
1191409147a69695
122b3b6246253538
131069cb95298b9c
1457b04d28395da
152664043a780b5
hex11e7ef59fa43c

315005612303420 has 12 divisors (see below), whose sum is σ = 661511785837224. Its totient is φ = 126002244921360.

The previous prime is 315005612303413. The next prime is 315005612303429. The reversal of 315005612303420 is 24303216500513.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315005612303429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7875140307566 + ... + 7875140307605.

It is an arithmetic number, because the mean of its divisors is an integer number (55125982153102).

Almost surely, 2315005612303420 is an apocalyptic number.

It is an amenable number.

315005612303420 is an abundant number, since it is smaller than the sum of its proper divisors (346506173533804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315005612303420 is a wasteful number, since it uses less digits than its factorization.

315005612303420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15750280615180 (or 15750280615178 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 315005612303420 its reverse (24303216500513), we get a palindrome (339308828803933).

The spelling of 315005612303420 in words is "three hundred fifteen trillion, five billion, six hundred twelve million, three hundred three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 15750280615171 31500561230342 63001122460684 78751403075855 157502806151710 315005612303420