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315520055256623 = 7196735407928993
BaseRepresentation
bin100011110111101101011110…
…0110100000010011000101111
31112101011102102011000021102112
41013233122330310002120233
5312323440033121202443
63035015525022514235
7123313400050503140
oct10757327464023057
91471142364007375
10315520055256623
1191597338668648
122b479a9813597b
131070954b725bc9
1457cb375cbbac7
152672602639b18
hex11ef6bcd0262f

315520055256623 has 16 divisors (see below), whose sum is σ = 385238267454720. Its totient is φ = 252387717854976.

The previous prime is 315520055256599. The next prime is 315520055256683. The reversal of 315520055256623 is 326652550025513.

It is a cyclic number.

It is not a de Polignac number, because 315520055256623 - 224 = 315520038479407 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 (315520055256683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17703955586 + ... + 17703973407.

It is an arithmetic number, because the mean of its divisors is an integer number (24077391715920).

Almost surely, 2315520055256623 is an apocalyptic number.

315520055256623 is a deficient number, since it is larger than the sum of its proper divisors (69718212198097).

315520055256623 is a wasteful number, since it uses less digits than its factorization.

315520055256623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35407929086.

The product of its (nonzero) digits is 8100000, while the sum is 50.

The spelling of 315520055256623 in words is "three hundred fifteen trillion, five hundred twenty billion, fifty-five million, two hundred fifty-six thousand, six hundred twenty-three".

Divisors: 1 7 19 67 133 469 1273 8911 35407928993 247855502951 672750650867 2372331242531 4709254556069 16606318697717 45074293608089 315520055256623