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23100230134 = 21931711391987
BaseRepresentation
bin10101100000111000…
…011000100111110110
32012121220011021111001
4111200320120213312
5334302124331014
614340114033514
71445305500502
oct254070304766
965556137431
1023100230134
119884528893
12458827889a
132241a83637
141191d3d302
1590300c974
hex560e189f6

23100230134 has 64 divisors (see below), whose sum is σ = 38474956800. Its totient is φ = 10359770400.

The previous prime is 23100230129. The next prime is 23100230141. The reversal of 23100230134 is 43103200132.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11624689 + ... + 11626675.

It is an arithmetic number, because the mean of its divisors is an integer number (601171200).

Almost surely, 223100230134 is an apocalyptic number.

23100230134 is a deficient number, since it is larger than the sum of its proper divisors (15374726666).

23100230134 is a wasteful number, since it uses less digits than its factorization.

23100230134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23100230134 its reverse (43103200132), we get a palindrome (66203430266).

The spelling of 23100230134 in words is "twenty-three billion, one hundred million, two hundred thirty thousand, one hundred thirty-four".

Divisors: 1 2 19 31 38 62 71 139 142 278 589 1178 1349 1987 2201 2641 2698 3974 4309 4402 5282 8618 9869 19738 37753 41819 61597 75506 81871 83638 123194 141077 163742 187511 276193 282154 305939 375022 552386 611878 1170343 2340686 2680463 4373387 5247667 5360926 5812841 8561983 8746774 10495334 11625682 17123966 19609703 39219406 83094353 162677677 166188706 325355354 372584357 607900793 745168714 1215801586 11550115067 23100230134