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109872820115 = 5291665745491
BaseRepresentation
bin110011001010011101…
…1100010111110010011
3101111121020002120100222
41212110323202332103
53300004420220430
6122250323503255
710636515363422
oct1462473427623
9344536076328
10109872820115
1142662384a73
1219364227b2b
13a49005ac36
1454643592b9
152cd0d749e5
hex1994ee2f93

109872820115 has 16 divisors (see below), whose sum is σ = 136405032480. Its totient is φ = 84860321280.

The previous prime is 109872820093. The next prime is 109872820117. The reversal of 109872820115 is 511028278901.

It is not a de Polignac number, because 109872820115 - 26 = 109872820051 is a prime.

It is a super-2 number, since 2×1098728201152 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (109872820117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2392520 + ... + 2438010.

It is an arithmetic number, because the mean of its divisors is an integer number (8525314530).

Almost surely, 2109872820115 is an apocalyptic number.

109872820115 is a deficient number, since it is larger than the sum of its proper divisors (26532212365).

109872820115 is a wasteful number, since it uses less digits than its factorization.

109872820115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62182.

The product of its (nonzero) digits is 80640, while the sum is 44.

The spelling of 109872820115 in words is "one hundred nine billion, eight hundred seventy-two million, eight hundred twenty thousand, one hundred fifteen".

Divisors: 1 5 29 145 16657 45491 83285 227455 483053 1319239 2415265 6596195 757743587 3788717935 21974564023 109872820115