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228775240080 = 24345713471433
BaseRepresentation
bin1101010100010000010…
…0010010000110010000
3210212111201222100010000
43111010010102012100
512222012430140310
6253033051210000
722346156312142
oct3250404220620
9725451870100
10228775240080
1189028727a52
1238408446900
131875ba30c5a
14b1039d2c92
155e3e7c14c0
hex3544112190

228775240080 has 400 divisors, whose sum is σ = 808647421824. Its totient is φ = 59932293120.

The previous prime is 228775240069. The next prime is 228775240097. The reversal of 228775240080 is 80042577822.

228775240080 is a `hidden beast` number, since 22 + 87 + 75 + 2 + 400 + 80 = 666.

It is a super-2 number, since 2×2287752400802 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 159647044 + ... + 159648476.

Almost surely, 2228775240080 is an apocalyptic number.

228775240080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228775240080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404323710912).

228775240080 is an abundant number, since it is smaller than the sum of its proper divisors (579872181744).

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

228775240080 is a wasteful number, since it uses less digits than its factorization.

228775240080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876 (or 1861 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The spelling of 228775240080 in words is "two hundred twenty-eight billion, seven hundred seventy-five million, two hundred forty thousand, eighty".