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1082278239490 = 257223197487471
BaseRepresentation
bin11111011111111001100…
…11110101110100000010
310211110112211110001112101
433233330303311310002
5120213001212130430
62145105230421014
7141122602151200
oct17577463656402
93743484401471
101082278239490
11387a9a940028
1215590496176a
137b09b3c6c56
143a54d9c8070
151d244c58dca
hexfbfccf5d02

1082278239490 has 96 divisors (see below), whose sum is σ = 2376695084544. Its totient is φ = 353131067520.

The previous prime is 1082278239487. The next prime is 1082278239491. The reversal of 1082278239490 is 949328722801.

It is not an unprimeable number, because it can be changed into a prime (1082278239491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1976455 + ... + 2463925.

It is an arithmetic number, because the mean of its divisors is an integer number (24757240464).

Almost surely, 21082278239490 is an apocalyptic number.

1082278239490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1082278239490 is an abundant number, since it is smaller than the sum of its proper divisors (1294416845054).

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

1082278239490 is a wasteful number, since it uses less digits than its factorization.

1082278239490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487712 (or 487705 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 1082278239490 in words is "one trillion, eighty-two billion, two hundred seventy-eight million, two hundred thirty-nine thousand, four hundred ninety".

Divisors: 1 2 5 7 10 14 23 35 46 49 70 98 115 161 197 230 245 322 394 490 805 985 1127 1379 1610 1970 2254 2758 4531 5635 6895 9062 9653 11270 13790 19306 22655 31717 45310 48265 63434 96530 158585 222019 317170 444038 487471 974942 1110095 2220190 2437355 3412297 4874710 6824594 11211833 17061485 22423666 23886079 34122970 47772158 56059165 78482831 96031787 112118330 119430395 156965662 192063574 238860790 392414155 480158935 549379817 672222509 784828310 960317870 1098759634 1344445018 2208731101 2746899085 3361112545 4417462202 4705557563 5493798170 6722225090 9411115126 11043655505 15461117707 22087311010 23527787815 30922235414 47055575630 77305588535 108227823949 154611177070 216455647898 541139119745 1082278239490