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101023010109 = 3374711372623
BaseRepresentation
bin101111000010101110…
…0001100110100111101
3100122202110121122022000
41132011130030310331
53123343342310414
6114224225412513
710204305263160
oct1360534146475
9318673548260
10101023010109
11399309457aa
12176b449a139
1396ac745178
144c64c7bad7
152963e63b09
hex178570cd3d

101023010109 has 32 divisors (see below), whose sum is σ = 174683504640. Its totient is φ = 56499186096.

The previous prime is 101023010063. The next prime is 101023010113. The reversal of 101023010109 is 901010320101.

It is not a de Polignac number, because 101023010109 - 220 = 101021961533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101023010091 and 101023010100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101023010159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5677429 + ... + 5695194.

It is an arithmetic number, because the mean of its divisors is an integer number (5458859520).

Almost surely, 2101023010109 is an apocalyptic number.

It is an amenable number.

101023010109 is a deficient number, since it is larger than the sum of its proper divisors (73660494531).

101023010109 is a wasteful number, since it uses less digits than its factorization.

101023010109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11372686 (or 11372680 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The spelling of 101023010109 in words is "one hundred one billion, twenty-three million, ten thousand, one hundred nine".

Divisors: 1 3 7 9 21 27 47 63 141 189 329 423 987 1269 2961 8883 11372623 34117869 79608361 102353607 238825083 307060821 534513281 716475249 1603539843 2149425747 3741592967 4810619529 11224778901 14431858587 33674336703 101023010109