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101013979 = 1119148079
BaseRepresentation
bin1100000010101…
…01100111011011
321001002001010111
412001111213123
5201324421404
614005025151
72334414253
oct601254733
9231061114
10101013979
1152024330
12299b51b7
1317c0a1b1
14d5b6963
158d05104
hex60559db

101013979 has 8 divisors (see below), whose sum is σ = 110776320. Its totient is φ = 91348200.

The previous prime is 101013947. The next prime is 101014003. The reversal of 101013979 is 979310101.

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 101013979 - 25 = 101013947 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 101013979.

It is not an unprimeable number, because it can be changed into a prime (101013179) 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, 21939 + ... + 26140.

It is an arithmetic number, because the mean of its divisors is an integer number (13847040).

Almost surely, 2101013979 is an apocalyptic number.

101013979 is a deficient number, since it is larger than the sum of its proper divisors (9762341).

101013979 is a wasteful number, since it uses less digits than its factorization.

101013979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48281.

The product of its (nonzero) digits is 1701, while the sum is 31.

The square root of 101013979 is about 10050.5710783020. The cubic root of 101013979 is about 465.7224350486.

The spelling of 101013979 in words is "one hundred one million, thirteen thousand, nine hundred seventy-nine".

Divisors: 1 11 191 2101 48079 528869 9183089 101013979