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1379803030 = 251105712479
BaseRepresentation
bin101001000111110…
…0001111110010110
310120011100020220221
41102033201332112
510311212144110
6344525544554
746123063234
oct12217417626
93504306827
101379803030
11648954491
1232611515a
1318cb297c8
14d1375954
15812057da
hex523e1f96

1379803030 has 16 divisors (see below), whose sum is σ = 2484069120. Its totient is φ = 551827072.

The previous prime is 1379803021. The next prime is 1379803037. The reversal of 1379803030 is 303089731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379803037) 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 7 ways as a sum of consecutive naturals, for example, 104331 + ... + 116809.

It is an arithmetic number, because the mean of its divisors is an integer number (155254320).

Almost surely, 21379803030 is an apocalyptic number.

1379803030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1379803030 is a deficient number, since it is larger than the sum of its proper divisors (1104266090).

1379803030 is a wasteful number, since it uses less digits than its factorization.

1379803030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23543.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 1379803030 is about 37145.7000203254. The cubic root of 1379803030 is about 1113.2833094723.

The spelling of 1379803030 in words is "one billion, three hundred seventy-nine million, eight hundred three thousand, thirty".

Divisors: 1 2 5 10 11057 12479 22114 24958 55285 62395 110570 124790 137980303 275960606 689901515 1379803030