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1780005482480 = 245149149329319
BaseRepresentation
bin11001111001110000100…
…110000010111111110000
320022011111122100102202202
4121321300212002333300
5213130422400414410
63441420115002332
7242413123650041
oct31716046027760
96264448312682
101780005482480
11626994765745
12248b882993a8
13cbb13a39b54
146221d1128c8
153147e521ca5
hex19e70982ff0

1780005482480 has 40 divisors (see below), whose sum is σ = 4166288028000. Its totient is φ = 707223650048.

The previous prime is 1780005482477. The next prime is 1780005482543. The reversal of 1780005482480 is 842845000871.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74652740 + ... + 74676579.

It is an arithmetic number, because the mean of its divisors is an integer number (104157200700).

Almost surely, 21780005482480 is an apocalyptic number.

1780005482480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1780005482480 is an abundant number, since it is smaller than the sum of its proper divisors (2386282545520).

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

1780005482480 is a wasteful number, since it uses less digits than its factorization.

1780005482480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149329481 (or 149329475 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 47.

The spelling of 1780005482480 in words is "one trillion, seven hundred eighty billion, five million, four hundred eighty-two thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 149 298 596 745 1192 1490 2384 2980 5960 11920 149329319 298658638 597317276 746646595 1194634552 1493293190 2389269104 2986586380 5973172760 11946345520 22250068531 44500137062 89000274124 111250342655 178000548248 222500685310 356001096496 445001370620 890002741240 1780005482480