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1006780115 = 51186321211
BaseRepresentation
bin111100000000100…
…011111011010011
32121011102201200102
4330000203323103
54030213430430
6243522443015
733643326665
oct7400437323
92534381612
101006780115
11477334890
1224120346b
131307722a3
14979d4535
155d5c0345
hex3c023ed3

1006780115 has 16 divisors (see below), whose sum is σ = 1319556096. Its totient is φ = 731320800.

The previous prime is 1006780111. The next prime is 1006780121. The reversal of 1006780115 is 5110876001.

1006780115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1006780115 - 22 = 1006780111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1006780111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36860 + ... + 58070.

It is an arithmetic number, because the mean of its divisors is an integer number (82472256).

Almost surely, 21006780115 is an apocalyptic number.

1006780115 is a deficient number, since it is larger than the sum of its proper divisors (312775981).

1006780115 is a wasteful number, since it uses less digits than its factorization.

1006780115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22090.

The product of its (nonzero) digits is 1680, while the sum is 29.

The square root of 1006780115 is about 31729.7985338703. The cubic root of 1006780115 is about 1002.2549497131.

The spelling of 1006780115 in words is "one billion, six million, seven hundred eighty thousand, one hundred fifteen".

Divisors: 1 5 11 55 863 4315 9493 21211 47465 106055 233321 1166605 18305093 91525465 201356023 1006780115