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101801413 = 714543059
BaseRepresentation
bin1100001000101…
…01110111000101
321002120001021201
412010111313011
5202030121123
614033542501
72344204060
oct604256705
9232501251
10101801413
11525119aa
122a114a31
131812472c
14d73d8d7
158e0d5ad
hex6115dc5

101801413 has 4 divisors (see below), whose sum is σ = 116344480. Its totient is φ = 87258348.

The previous prime is 101801387. The next prime is 101801429. The reversal of 101801413 is 314108101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101801413 - 213 = 101793221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101801443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7271523 + ... + 7271536.

It is an arithmetic number, because the mean of its divisors is an integer number (29086120).

Almost surely, 2101801413 is an apocalyptic number.

It is an amenable number.

101801413 is a deficient number, since it is larger than the sum of its proper divisors (14543067).

101801413 is an equidigital number, since it uses as much as digits as its factorization.

101801413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14543066.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 101801413 is about 10089.6686268678. The cubic root of 101801413 is about 466.9294523912.

Adding to 101801413 its reverse (314108101), we get a palindrome (415909514).

The spelling of 101801413 in words is "one hundred one million, eight hundred one thousand, four hundred thirteen".

Divisors: 1 7 14543059 101801413