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101009995 = 525778607
BaseRepresentation
bin1100000010101…
…00101001001011
321001001211122221
412001110221023
5201324304440
614004554511
72334366532
oct601245113
9231054587
10101009995
1152021339
12299b2a37
1317c08438
14d5b5319
158d03d4a
hex6054a4b

101009995 has 8 divisors (see below), whose sum is σ = 121685184. Its totient is φ = 80492544.

The previous prime is 101009983. The next prime is 101010031. The reversal of 101009995 is 599900101.

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 101009995 - 211 = 101007947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101009995.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38019 + ... + 40588.

It is an arithmetic number, because the mean of its divisors is an integer number (15210648).

Almost surely, 2101009995 is an apocalyptic number.

101009995 is a deficient number, since it is larger than the sum of its proper divisors (20675189).

101009995 is an equidigital number, since it uses as much as digits as its factorization.

101009995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78869.

The product of its (nonzero) digits is 3645, while the sum is 34.

The square root of 101009995 is about 10050.3728786548. The cubic root of 101009995 is about 465.7163122572.

The spelling of 101009995 in words is "one hundred one million, nine thousand, nine hundred ninety-five".

Divisors: 1 5 257 1285 78607 393035 20201999 101009995