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109618471841 = 439112798317
BaseRepresentation
bin110011000010111000…
…1010010001110100001
3101110221111111100010112
41212011301102032201
53243444312044331
6122205200141105
710630306431314
oct1460561221641
9343844440115
10109618471841
114254185138a
12192b3007795
13a44c4552b8
14543c66a97b
152cb888232b
hex1985c523a1

109618471841 has 8 divisors (see below), whose sum is σ = 112290904704. Its totient is φ = 106951637520.

The previous prime is 109618471829. The next prime is 109618471849. The reversal of 109618471841 is 148174816901.

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 109618471841 - 218 = 109618209697 is a prime.

It is a super-2 number, since 2×1096184718412 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 109618471841.

It is not an unprimeable number, because it can be changed into a prime (109618471849) 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, 1359986 + ... + 1438331.

It is an arithmetic number, because the mean of its divisors is an integer number (14036363088).

Almost surely, 2109618471841 is an apocalyptic number.

It is an amenable number.

109618471841 is a deficient number, since it is larger than the sum of its proper divisors (2672432863).

109618471841 is an equidigital number, since it uses as much as digits as its factorization.

109618471841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2799271.

The product of its (nonzero) digits is 387072, while the sum is 50.

The spelling of 109618471841 in words is "one hundred nine billion, six hundred eighteen million, four hundred seventy-one thousand, eight hundred forty-one".

Divisors: 1 43 911 39173 2798317 120327631 2549266787 109618471841