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105214055125 = 53887948943
BaseRepresentation
bin110000111111100111…
…1110001001011010101
3101001120112210210020111
41201333033301023111
53210434244231000
6120200142203021
710413205466254
oct1417717611325
9331515723214
10105214055125
1140691655973
1218483b83471
139bc9b06b6a
14514172279b
152b0bd74cba
hex187f3f12d5

105214055125 has 16 divisors (see below), whose sum is σ = 131455314432. Its totient is φ = 84076261200.

The previous prime is 105214055119. The next prime is 105214055153. The reversal of 105214055125 is 521550412501.

It is not a de Polignac number, because 105214055125 - 213 = 105214046933 is a prime.

It is a super-2 number, since 2×1052140551252 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363597 + ... + 585346.

It is an arithmetic number, because the mean of its divisors is an integer number (8215957152).

Almost surely, 2105214055125 is an apocalyptic number.

It is an amenable number.

105214055125 is a deficient number, since it is larger than the sum of its proper divisors (26241259307).

105214055125 is an frugal number, since it uses more digits than its factorization.

105214055125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949845 (or 949835 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 31.

Adding to 105214055125 its reverse (521550412501), we get a palindrome (626764467626).

The spelling of 105214055125 in words is "one hundred five billion, two hundred fourteen million, fifty-five thousand, one hundred twenty-five".

Divisors: 1 5 25 125 887 4435 22175 110875 948943 4744715 23723575 118617875 841712441 4208562205 21042811025 105214055125