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101989201 = 294774827
BaseRepresentation
bin1100001010000…
…11101101010001
321002220120212211
412011003231101
5202102123301
614041552121
72345615416
oct605035521
9232816784
10101989201
115262aaa6
122a1a5641
131818c052
14d78c10d
158e49051
hex6143b51

101989201 has 8 divisors (see below), whose sum is σ = 107752320. Its totient is φ = 96375888.

The previous prime is 101989193. The next prime is 101989213. The reversal of 101989201 is 102989101.

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 101989201 - 23 = 101989193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101989301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36051 + ... + 38776.

It is an arithmetic number, because the mean of its divisors is an integer number (13469040).

Almost surely, 2101989201 is an apocalyptic number.

It is an amenable number.

101989201 is a deficient number, since it is larger than the sum of its proper divisors (5763119).

101989201 is an equidigital number, since it uses as much as digits as its factorization.

101989201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74903.

The product of its (nonzero) digits is 1296, while the sum is 31.

The square root of 101989201 is about 10098.9702940448. The cubic root of 101989201 is about 467.2163832085.

The spelling of 101989201 in words is "one hundred one million, nine hundred eighty-nine thousand, two hundred one".

Divisors: 1 29 47 1363 74827 2169983 3516869 101989201