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1378043300 = 225213780433
BaseRepresentation
bin101001000100011…
…0100010110100100
310120001000212000202
41102020310112210
510310234341200
6344424130032
746102113644
oct12210642644
93501025022
101378043300
11647962367
12325606918
1318c66184a
14d1038524
1580ea91d5
hex522345a4

1378043300 has 18 divisors (see below), whose sum is σ = 2990354178. Its totient is φ = 551217280.

The previous prime is 1378043299. The next prime is 1378043311. The reversal of 1378043300 is 33408731.

It can be written as a sum of positive squares in 3 ways, for example, as 197571136 + 1180472164 = 14056^2 + 34358^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6890117 + ... + 6890316.

Almost surely, 21378043300 is an apocalyptic number.

1378043300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1378043300 is an abundant number, since it is smaller than the sum of its proper divisors (1612310878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1378043300 is a wasteful number, since it uses less digits than its factorization.

1378043300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13780447 (or 13780440 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 1378043300 is about 37122.0056031460. The cubic root of 1378043300 is about 1112.8098333258.

The spelling of 1378043300 in words is "one billion, three hundred seventy-eight million, forty-three thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 13780433 27560866 55121732 68902165 137804330 275608660 344510825 689021650 1378043300