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10231165230 = 23511136433709
BaseRepresentation
bin10011000011101001…
…10011000100101110
3222102000202001012120
421201310303010232
5131423134241410
64411121213410
7511352320026
oct114164630456
928360661176
1010231165230
114380253960
121b96491266
13c70866c30
146d0b38a86
153ed321570
hex261d3312e

10231165230 has 128 divisors (see below), whose sum is σ = 28900247040. Its totient is φ = 2285314560.

The previous prime is 10231165213. The next prime is 10231165283. The reversal of 10231165230 is 3256113201.

It is a self number, because there is not a number n which added to its sum of digits gives 10231165230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2756616 + ... + 2760324.

It is an arithmetic number, because the mean of its divisors is an integer number (225783180).

Almost surely, 210231165230 is an apocalyptic number.

10231165230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10231165230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14450123520).

10231165230 is an abundant number, since it is smaller than the sum of its proper divisors (18669081810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10231165230 is a wasteful number, since it uses less digits than its factorization.

10231165230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4386.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 10231165230 its reverse (3256113201), we get a palindrome (13487278431).

The spelling of 10231165230 in words is "ten billion, two hundred thirty-one million, one hundred sixty-five thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 11 13 15 22 26 30 33 39 55 65 66 78 110 130 143 165 195 286 330 390 429 643 715 858 1286 1430 1929 2145 3215 3709 3858 4290 6430 7073 7418 8359 9645 11127 14146 16718 18545 19290 21219 22254 25077 35365 37090 40799 41795 42438 48217 50154 55635 70730 81598 83590 91949 96434 106095 111270 122397 125385 144651 183898 203995 212190 241085 244794 250770 275847 289302 407990 459745 482170 530387 551694 611985 723255 919490 1060774 1223970 1379235 1446510 1591161 2384887 2651935 2758470 3182322 4769774 5303870 7154661 7955805 11924435 14309322 15911610 23848870 26233757 31003531 35773305 52467514 62007062 71546610 78701271 93010593 131168785 155017655 157402542 186021186 262337570 310035310 341038841 393506355 465052965 682077682 787012710 930105930 1023116523 1705194205 2046233046 3410388410 5115582615 10231165230