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1087786380080 = 24523395813309
BaseRepresentation
bin11111101010001010001…
…11101110101100110000
310211222202200222120221102
433311011013232230300
5120310241303130310
62151415553143532
7141406234446131
oct17650507565460
93758680876842
101087786380080
1138a367064634
121569a155aba8
137b7685cb03a
143a91335dc88
151d4685d58a5
hexfd451eeb30

1087786380080 has 40 divisors (see below), whose sum is σ = 2530185044400. Its totient is φ = 434928451328.

The previous prime is 1087786380059. The next prime is 1087786380089. The reversal of 1087786380080 is 800836877801.

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

It is a junction number, because it is equal to n+sod(n) for n = 1087786379998 and 1087786380025.

It is not an unprimeable number, because it can be changed into a prime (1087786380089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2719535 + ... + 3093774.

It is an arithmetic number, because the mean of its divisors is an integer number (63254626110).

Almost surely, 21087786380080 is an apocalyptic number.

1087786380080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1087786380080 is an abundant number, since it is smaller than the sum of its proper divisors (1442398664320).

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

1087786380080 is a wasteful number, since it uses less digits than its factorization.

1087786380080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5815661 (or 5815655 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 56.

The spelling of 1087786380080 in words is "one trillion, eighty-seven billion, seven hundred eighty-six million, three hundred eighty thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 2339 4678 9356 11695 18712 23390 37424 46780 93560 187120 5813309 11626618 23253236 29066545 46506472 58133090 93012944 116266180 232532360 465064720 13597329751 27194659502 54389319004 67986648755 108778638008 135973297510 217557276016 271946595020 543893190040 1087786380080