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228363147508752 = 2434375150392467
BaseRepresentation
bin110011111011000111110000…
…010010010111110000010000
31002221120022012101120210220000
4303323013300102113300100
5214413000211230240002
62125404325351050000
766046456452264354
oct6373076022276020
91087508171523800
10228363147508752
11668442a3398883
1221742384070900
139a56724843059
144056b9a159464
151b603b227c61c
hexcfb1f0497c10

228363147508752 has 200 divisors, whose sum is σ = 678833215691136. Its totient is φ = 74061484510464.

The previous prime is 228363147508721. The next prime is 228363147508753. The reversal of 228363147508752 is 257805741363822.

228363147508752 is a `hidden beast` number, since 2 + 2 + 8 + 3 + 6 + 31 + 47 + 508 + 7 + 52 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 228363147508752.

It is not an unprimeable number, because it can be changed into a prime (228363147508753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2469625623 + ... + 2469718089.

Almost surely, 2228363147508752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228363147508752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339416607845568).

228363147508752 is an abundant number, since it is smaller than the sum of its proper divisors (450470068182384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228363147508752 is a wasteful number, since it uses less digits than its factorization.

228363147508752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144027 (or 144012 counting only the distinct ones).

The product of its (nonzero) digits is 135475200, while the sum is 63.

The spelling of 228363147508752 in words is "two hundred twenty-eight trillion, three hundred sixty-three billion, one hundred forty-seven million, five hundred eight thousand, seven hundred fifty-two".