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5315960215949 = 12135002187613
BaseRepresentation
bin100110101011011011111…
…1010111001100110001101
3200211012102102000010111112
41031112313322321212031
51144044041303402244
615150041324301405
71056031310166365
oct115266772714615
920735372003445
105315960215949
11176a538a56279
1271a3283a1865
132c73a6659926
141454184619a5
159343116839e
hex4d5b7eb998d

5315960215949 has 8 divisors (see below), whose sum is σ = 5320509794712. Its totient is φ = 5311410914880.

The previous prime is 5315960215861. The next prime is 5315960216027. The reversal of 5315960215949 is 9495120695135.

It can be written as a sum of positive squares in 4 ways, for example, as 1005042340324 + 4310917875625 = 1002518^2 + 2076275^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5315960215949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5315960215249) 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, 60631667 + ... + 60719279.

It is an arithmetic number, because the mean of its divisors is an integer number (665063724339).

Almost surely, 25315960215949 is an apocalyptic number.

It is an amenable number.

5315960215949 is a deficient number, since it is larger than the sum of its proper divisors (4549578763).

5315960215949 is a wasteful number, since it uses less digits than its factorization.

5315960215949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138847.

The product of its (nonzero) digits is 13122000, while the sum is 59.

The spelling of 5315960215949 in words is "five trillion, three hundred fifteen billion, nine hundred sixty million, two hundred fifteen thousand, nine hundred forty-nine".

Divisors: 1 1213 50021 87613 60675473 106274569 4382489873 5315960215949