Search a number
-
+
102031022131230 = 23523571732586379
BaseRepresentation
bin10111001100101111110010…
…110101001000100000011110
3111101021001220100202221002010
4113030233302311020200132
5101333134013131144410
61001000223211412050
730330332562333513
oct2714576265104036
9441231810687063
10102031022131230
112a568128060345
12b53a366a54026
1344c163a75aa8a
141b2a48377930a
15bbe0daec9c20
hex5ccbf2d4881e

102031022131230 has 64 divisors (see below), whose sum is σ = 255525736527360. Its totient is φ = 26024838930816.

The previous prime is 102031022131177. The next prime is 102031022131237. The reversal of 102031022131230 is 32131220130201.

It is a junction number, because it is equal to n+sod(n) for n = 102031022131197 and 102031022131206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102031022131237) 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, 38156181 + ... + 40742559.

It is an arithmetic number, because the mean of its divisors is an integer number (3992589633240).

Almost surely, 2102031022131230 is an apocalyptic number.

102031022131230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102031022131230 is an abundant number, since it is smaller than the sum of its proper divisors (153494714396130).

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

102031022131230 is a wasteful number, since it uses less digits than its factorization.

102031022131230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643585.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 102031022131230 its reverse (32131220130201), we get a palindrome (134162242261431).

The spelling of 102031022131230 in words is "one hundred two trillion, thirty-one billion, twenty-two million, one hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 57173 114346 171519 285865 343038 571730 857595 1314979 1715190 2586379 2629958 3944937 5172758 6574895 7759137 7889874 12931895 13149790 15518274 19724685 25863790 38795685 39449370 59486717 77591370 118973434 178460151 297433585 356920302 594867170 892300755 1784601510 147871046567 295742093134 443613139701 739355232835 887226279402 1478710465670 2218065698505 3401034071041 4436131397010 6802068142082 10203102213123 17005170355205 20406204426246 34010340710410 51015511065615 102031022131230