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1381680707 = 119710112821
BaseRepresentation
bin101001001011010…
…1100011001000011
310120021212122121112
41102112230121003
510312202240312
6345034113535
746145043431
oct12226543103
93507778545
101381680707
11649a17190
1232687b8ab
13190336364
14d1703d51
1581476d22
hex525ac643

1381680707 has 16 divisors (see below), whose sum is σ = 1538024544. Its totient is φ = 1230720000.

The previous prime is 1381680701. The next prime is 1381680721. The reversal of 1381680707 is 7070861831.

It is a cyclic number.

It is not a de Polignac number, because 1381680707 - 222 = 1377486403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1381680701) 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, 101357 + ... + 114177.

It is an arithmetic number, because the mean of its divisors is an integer number (96126534).

Almost surely, 21381680707 is an apocalyptic number.

1381680707 is a deficient number, since it is larger than the sum of its proper divisors (156343837).

1381680707 is a wasteful number, since it uses less digits than its factorization.

1381680707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13030.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 1381680707 is about 37170.9659142724. The cubic root of 1381680707 is about 1113.7880769198.

The spelling of 1381680707 in words is "one billion, three hundred eighty-one million, six hundred eighty thousand, seven hundred seven".

Divisors: 1 11 97 101 1067 1111 9797 12821 107767 141031 1243637 1294921 13680007 14244131 125607337 1381680707