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315020015502051 = 3370928311316213
BaseRepresentation
bin100011110100000100101000…
…0000111110000001011100011
31112022101121201111222211011110
41013220021100013300023203
5312242241442432031201
63033554110335314403
7123232305436640106
oct10750112007601343
91468347644884143
10315020015502051
1191414269217a32
122b3b8ba597ba03
13106a134c299222
1457b109b6aa73d
1526645d82a26d6
hex11e82501f02e3

315020015502051 has 8 divisors (see below), whose sum is σ = 420139932615760. Its totient is φ = 209956721028192.

The previous prime is 315020015502029. The next prime is 315020015502053. The reversal of 315020015502051 is 150205510020513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 315020015502051 - 218 = 315020015239907 is a prime.

It is a super-2 number, since 2×3150200155020512 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315020015502053) 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, 14155646980 + ... + 14155669233.

It is an arithmetic number, because the mean of its divisors is an integer number (52517491576970).

Almost surely, 2315020015502051 is an apocalyptic number.

315020015502051 is a deficient number, since it is larger than the sum of its proper divisors (105119917113709).

315020015502051 is a wasteful number, since it uses less digits than its factorization.

315020015502051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28311319925.

The product of its (nonzero) digits is 7500, while the sum is 30.

Adding to 315020015502051 its reverse (150205510020513), we get a palindrome (465225525522564).

The spelling of 315020015502051 in words is "three hundred fifteen trillion, twenty billion, fifteen million, five hundred two thousand, fifty-one".

Divisors: 1 3 3709 11127 28311316213 84933948639 105006671834017 315020015502051