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242777353013440 = 26571919928665101
BaseRepresentation
bin110111001100111000000001…
…111000101100100011000000
31011211121021210011020112122121
4313030320001320230203000
5223310131004332412230
62220202213135414024
7102065041062436510
oct6714700170544300
91154537704215577
10242777353013440
11703a132a646783
122328ba64384314
13a560a63177bbb
1443d46b5279840
151d102e1c4c77a
hexdcce01e2c8c0

242777353013440 has 224 divisors, whose sum is σ = 698969847168000. Its totient is φ = 78460735795200.

The previous prime is 242777353013339. The next prime is 242777353013441. The reversal of 242777353013440 is 44310353777242.

It is a tau number, because it is divible by the number of its divisors (224).

It is not an unprimeable number, because it can be changed into a prime (242777353013441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5863111 + ... + 22801990.

Almost surely, 2242777353013440 is an apocalyptic number.

242777353013440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242777353013440 is an abundant number, since it is smaller than the sum of its proper divisors (456192494154560).

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

242777353013440 is a wasteful number, since it uses less digits than its factorization.

242777353013440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28665343 (or 28665333 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 52.

The spelling of 242777353013440 in words is "two hundred forty-two trillion, seven hundred seventy-seven billion, three hundred fifty-three million, thirteen thousand, four hundred forty".