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20300515415 = 523176526221
BaseRepresentation
bin10010111010000000…
…010100100001010111
31221101210000000220022
4102322000110201113
5313033412443130
613154222255355
71316031351065
oct227200244127
957353000808
1020300515415
118678125774
123b2672755b
131bb6a261cb
14da8191035
157dc32c7e5
hex4ba014857

20300515415 has 8 divisors (see below), whose sum is σ = 25419775968. Its totient is φ = 15534307360.

The previous prime is 20300515331. The next prime is 20300515451. The reversal of 20300515415 is 51451500302.

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

It is not a de Polignac number, because 20300515415 - 28 = 20300515159 is a prime.

It is a super-2 number, since 2×203005154152 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88262996 + ... + 88263225.

It is an arithmetic number, because the mean of its divisors is an integer number (3177471996).

Almost surely, 220300515415 is an apocalyptic number.

20300515415 is a deficient number, since it is larger than the sum of its proper divisors (5119260553).

20300515415 is a wasteful number, since it uses less digits than its factorization.

20300515415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176526249.

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 20300515415 in words is "twenty billion, three hundred million, five hundred fifteen thousand, four hundred fifteen".

Divisors: 1 5 23 115 176526221 882631105 4060103083 20300515415