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100880201 = 612116481
BaseRepresentation
bin1100000001101…
…00111101001001
321000211020121202
412000310331021
5201311131301
614002113545
72333316242
oct600647511
9230736552
10100880201
1151a42874
122994b8b5
1317b91336
14d57dcc9
158cca66b
hex6034f49

100880201 has 4 divisors (see below), whose sum is σ = 100902804. Its totient is φ = 100857600.

The previous prime is 100880123. The next prime is 100880203. The reversal of 100880201 is 102088001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24492601 + 76387600 = 4949^2 + 8740^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100880201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100880203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2120 + ... + 14361.

It is an arithmetic number, because the mean of its divisors is an integer number (25225701).

Almost surely, 2100880201 is an apocalyptic number.

It is an amenable number.

100880201 is a deficient number, since it is larger than the sum of its proper divisors (22603).

100880201 is an equidigital number, since it uses as much as digits as its factorization.

100880201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22602.

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 100880201 is about 10043.9136296565. The cubic root of 100880201 is about 465.5167508431.

The spelling of 100880201 in words is "one hundred million, eight hundred eighty thousand, two hundred one".

Divisors: 1 6121 16481 100880201