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1284887304996 = 223412611559563
BaseRepresentation
bin10010101100101001010…
…000000101101100100100
311112211112000011000001120
4102230221100011230210
5132022422122224441
62422134042053540
7161554463614161
oct22545120055444
94484460130046
101284887304996
11455a10428809
1218902a1aa2b0
139421a111469
14462903cb068
152365229e966
hex12b29405b24

1284887304996 has 24 divisors (see below), whose sum is σ = 3071194047264. Its totient is φ = 417849529920.

The previous prime is 1284887304983. The next prime is 1284887305001. The reversal of 1284887304996 is 6994037884821.

It is a self number, because there is not a number n which added to its sum of digits gives 1284887304996.

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, 1305779290 + ... + 1305780273.

It is an arithmetic number, because the mean of its divisors is an integer number (127966418636).

Almost surely, 21284887304996 is an apocalyptic number.

It is an amenable number.

1284887304996 is an abundant number, since it is smaller than the sum of its proper divisors (1786306742268).

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

1284887304996 is a wasteful number, since it uses less digits than its factorization.

1284887304996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611559611 (or 2611559609 counting only the distinct ones).

The product of its (nonzero) digits is 167215104, while the sum is 69.

The spelling of 1284887304996 in words is "one trillion, two hundred eighty-four billion, eight hundred eighty-seven million, three hundred four thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 2611559563 5223119126 7834678689 10446238252 15669357378 31338714756 107073942083 214147884166 321221826249 428295768332 642443652498 1284887304996