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1380388702 = 272113733433
BaseRepresentation
bin101001001000111…
…0000111101011110
310120012110000022111
41102101300331132
510311334414302
6344550304234
746131052600
oct12221607536
93505400274
101380388702
11649214510
1232635807a
1318cca3264
14d1489170
15812be0d7
hex52470f5e

1380388702 has 48 divisors (see below), whose sum is σ = 2635416432. Its totient is φ = 536215680.

The previous prime is 1380388679. The next prime is 1380388747. The reversal of 1380388702 is 2078830831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 400378 + ... + 403810.

It is an arithmetic number, because the mean of its divisors is an integer number (54904509).

Almost surely, 21380388702 is an apocalyptic number.

1380388702 is a deficient number, since it is larger than the sum of its proper divisors (1255027730).

1380388702 is a wasteful number, since it uses less digits than its factorization.

1380388702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833 (or 3826 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 1380388702 is about 37153.5826267131. The cubic root of 1380388702 is about 1113.4408021525.

The spelling of 1380388702 in words is "one billion, three hundred eighty million, three hundred eighty-eight thousand, seven hundred two".

Divisors: 1 2 7 11 14 22 49 77 98 154 373 539 746 1078 2611 3433 4103 5222 6866 8206 18277 24031 28721 36554 37763 48062 57442 75526 168217 201047 264341 336434 402094 528682 1280509 1850387 2561018 3700774 8963563 14085599 17927126 28171198 62744941 98599193 125489882 197198386 690194351 1380388702