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1377950648 = 23193389107
BaseRepresentation
bin101001000100001…
…1101101110111000
310120000212010221012
41102020131232320
510310223410043
6344422133052
746101246554
oct12210355670
93500763835
101377950648
116478a9798
12325581188
1318c62b619
14d1012864
1580e8ba18
hex5221dbb8

1377950648 has 16 divisors (see below), whose sum is σ = 2585023080. Its totient is φ = 688611168.

The previous prime is 1377950611. The next prime is 1377950671. The reversal of 1377950648 is 8460597731.

It is a junction number, because it is equal to n+sod(n) for n = 1377950596 and 1377950605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29090 + ... + 60017.

Almost surely, 21377950648 is an apocalyptic number.

It is an amenable number.

1377950648 is a deficient number, since it is larger than the sum of its proper divisors (1207072432).

1377950648 is a wasteful number, since it uses less digits than its factorization.

1377950648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91046 (or 91042 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 50.

The square root of 1377950648 is about 37120.7576431301. The cubic root of 1377950648 is about 1112.7848930433.

The spelling of 1377950648 in words is "one billion, three hundred seventy-seven million, nine hundred fifty thousand, six hundred forty-eight".

Divisors: 1 2 4 8 1933 3866 7732 15464 89107 178214 356428 712856 172243831 344487662 688975324 1377950648