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1228202854463 = 13711330663981
BaseRepresentation
bin10001110111110110100…
…110000100100000111111
311100102012120100120010202
4101313312212010200333
5130110324412320323
62340121213354115
7154510004003354
oct21676646044077
94312176316122
101228202854463
11433972546082
1217a04a79893b
138ba8554c080
144363400062b
1521e35b71d28
hex11df698483f

1228202854463 has 8 divisors (see below), whose sum is σ = 1341309293856. Its totient is φ = 1117757743200.

The previous prime is 1228202854441. The next prime is 1228202854523. The reversal of 1228202854463 is 3644582028221.

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

It is a cyclic number.

It is not a de Polignac number, because 1228202854463 - 26 = 1228202854399 is a prime.

It is a super-2 number, since 2×12282028544632 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228202854423) 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, 665331068 + ... + 665332913.

It is an arithmetic number, because the mean of its divisors is an integer number (167663661732).

Almost surely, 21228202854463 is an apocalyptic number.

1228202854463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1228202854463 is a deficient number, since it is larger than the sum of its proper divisors (113106439393).

1228202854463 is a wasteful number, since it uses less digits than its factorization.

1228202854463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330664065.

The product of its (nonzero) digits is 1474560, while the sum is 47.

The spelling of 1228202854463 in words is "one trillion, two hundred twenty-eight billion, two hundred two million, eight hundred fifty-four thousand, four hundred sixty-three".

Divisors: 1 13 71 923 1330663981 17298631753 94477142651 1228202854463