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1380966763 = 111771910271
BaseRepresentation
bin101001001001111…
…1110000101101011
310120020112101021011
41102103332011223
510312011414023
6345010524351
746136011111
oct12223760553
93506471234
101380966763
11649579850
123265966b7
131901463c7
14d1599ab1
158138550d
hex524fe16b

1380966763 has 16 divisors (see below), whose sum is σ = 1597501440. Its totient is φ = 1179817600.

The previous prime is 1380966757. The next prime is 1380966767. The reversal of 1380966763 is 3676690831.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1380966763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1380966767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129318 + ... + 139588.

It is an arithmetic number, because the mean of its divisors is an integer number (99843840).

Almost surely, 21380966763 is an apocalyptic number.

1380966763 is a deficient number, since it is larger than the sum of its proper divisors (216534677).

1380966763 is a wasteful number, since it uses less digits than its factorization.

1380966763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11018.

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 1380966763 is about 37161.3611564485. The cubic root of 1380966763 is about 1113.5962044868.

The spelling of 1380966763 in words is "one billion, three hundred eighty million, nine hundred sixty-six thousand, seven hundred sixty-three".

Divisors: 1 11 17 187 719 7909 10271 12223 112981 134453 174607 1920677 7384849 81233339 125542433 1380966763