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100380863 = 1129093137
BaseRepresentation
bin1011111101110…
…11000010111111
320222212212122202
411332323002333
5201144141423
613543302115
72326136402
oct576730277
9228785582
10100380863
11517316a0
122974a93b
1317a47c7b
14d48dd39
158c2c728
hex5fbb0bf

100380863 has 8 divisors (see below), whose sum is σ = 109578960. Its totient is φ = 91194880.

The previous prime is 100380851. The next prime is 100380871. The reversal of 100380863 is 368083001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100380863 - 26 = 100380799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100380893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30431 + ... + 33567.

It is an arithmetic number, because the mean of its divisors is an integer number (13697370).

Almost surely, 2100380863 is an apocalyptic number.

100380863 is a deficient number, since it is larger than the sum of its proper divisors (9198097).

100380863 is a wasteful number, since it uses less digits than its factorization.

100380863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6057.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 100380863 is about 10019.0250523691. The cubic root of 100380863 is about 464.7474066526.

The spelling of 100380863 in words is "one hundred million, three hundred eighty thousand, eight hundred sixty-three".

Divisors: 1 11 2909 3137 31999 34507 9125533 100380863