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283968220495680 = 26335731151459411
BaseRepresentation
bin100000010010001001000000…
…0111010001111111101000000
31101020110002121112102200202000
41000210102000322033331000
5244210013403421330210
62443541111035024000
7113546012140220220
oct10044220072177500
91336402545380660
10283968220495680
11825322784850a6
1227a22b3a59b000
13c25b11bc8c5a6
14501a1c7010080
1522c69e99edac0
hex1024480e8ff40

283968220495680 has 448 divisors, whose sum is σ = 1181819616706560. Its totient is φ = 62813246515200.

The previous prime is 283968220495667. The next prime is 283968220495699. The reversal of 283968220495680 is 86594022869382.

283968220495680 is a `hidden beast` number, since 2 + 8 + 39 + 6 + 8 + 2 + 20 + 4 + 9 + 568 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 283968220495599 and 283968220495608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73854826 + ... + 77604585.

Almost surely, 2283968220495680 is an apocalyptic number.

283968220495680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

283968220495680 is an abundant number, since it is smaller than the sum of its proper divisors (897851396210880).

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

283968220495680 is a wasteful number, since it uses less digits than its factorization.

283968220495680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151459475 (or 151459459 counting only the distinct ones).

The product of its (nonzero) digits is 716636160, while the sum is 72.

The spelling of 283968220495680 in words is "two hundred eighty-three trillion, nine hundred sixty-eight billion, two hundred twenty million, four hundred ninety-five thousand, six hundred eighty".