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55107670155 = 357956382601
BaseRepresentation
bin110011010100101011…
…000101000010001011
312021020112210200212120
4303110223011002023
51400330030421110
641152140342323
73660422316246
oct632453050213
9167215720776
1055107670155
112140993025a
12a81b5449a3
135272cc9365
14294ac1c25d
151677eb8870
hexcd4ac508b

55107670155 has 32 divisors (see below), whose sum is σ = 89448053760. Its totient is φ = 28966828800.

The previous prime is 55107670153. The next prime is 55107670207.

It is a happy number.

55107670155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55107670155 - 21 = 55107670153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55107670151) 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, 625855 + ... + 708455.

It is an arithmetic number, because the mean of its divisors is an integer number (2795251680).

Almost surely, 255107670155 is an apocalyptic number.

55107670155 is a deficient number, since it is larger than the sum of its proper divisors (34340383605).

55107670155 is a wasteful number, since it uses less digits than its factorization.

55107670155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83251.

The product of its (nonzero) digits is 183750, while the sum is 42.

The spelling of 55107670155 in words is "fifty-five billion, one hundred seven million, six hundred seventy thousand, one hundred fifty-five".

Divisors: 1 3 5 15 79 237 395 563 1185 1689 2815 8445 44477 82601 133431 222385 247803 413005 667155 1239015 6525479 19576437 32627395 46504363 97882185 139513089 232521815 697565445 3673844677 11021534031 18369223385 55107670155