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10231352055 = 335349217157
BaseRepresentation
bin10011000011101011…
…00000101011110111
3222102001002112111000
421201311200223313
5131423211231210
64411125214343
7511354025511
oct114165405367
928361075430
1010231352055
114380371261
121b965613b3
13c70900c92
146d0b86bb1
153ed35bac0
hex261d60af7

10231352055 has 32 divisors (see below), whose sum is σ = 18241272000. Its totient is φ = 5441060736.

The previous prime is 10231352051. The next prime is 10231352059. The reversal of 10231352055 is 55025313201.

It is a happy number.

10231352055 is a `hidden beast` number, since 102 + 31 + 3 + 520 + 5 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (10231352051) and next prime (10231352059).

It is not a de Polignac number, because 10231352055 - 22 = 10231352051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10231352051) 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, 61464 + ... + 155693.

It is an arithmetic number, because the mean of its divisors is an integer number (570039750).

Almost surely, 210231352055 is an apocalyptic number.

10231352055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10231352055 is a deficient number, since it is larger than the sum of its proper divisors (8009919945).

10231352055 is a wasteful number, since it uses less digits than its factorization.

10231352055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217520 (or 217514 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 10231352055 its reverse (55025313201), we get a palindrome (65256665256).

The spelling of 10231352055 in words is "ten billion, two hundred thirty-one million, three hundred fifty-two thousand, fifty-five".

Divisors: 1 3 5 9 15 27 45 135 349 1047 1745 3141 5235 9423 15705 47115 217157 651471 1085785 1954413 3257355 5863239 9772065 29316195 75787793 227363379 378938965 682090137 1136816895 2046270411 3410450685 10231352055