Search a number
-
+
143102232042 = 237115311351719
BaseRepresentation
bin1000010101000110001…
…1101100010111101010
3111200101001002121002020
42011101203230113222
54321033132411132
6145423521245310
713224130621410
oct2052143542752
9450331077066
10143102232042
115576452aa80
1223898793836
13106574bbc63
146cd76472b0
153ac825b52c
hex21518ec5ea

143102232042 has 128 divisors (see below), whose sum is σ = 366783344640. Its totient is φ = 36144675840.

The previous prime is 143102232029. The next prime is 143102232067. The reversal of 143102232042 is 240232201341.

It is a happy number.

It is a super-2 number, since 2×1431022320422 (a number of 23 digits) contains 22 as substring.

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, 2741059 + ... + 2792777.

It is an arithmetic number, because the mean of its divisors is an integer number (2865494880).

Almost surely, 2143102232042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143102232042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183391672320).

143102232042 is an abundant number, since it is smaller than the sum of its proper divisors (223681112598).

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

143102232042 is a wasteful number, since it uses less digits than its factorization.

143102232042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51908.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 143102232042 its reverse (240232201341), we get a palindrome (383334433383).

The spelling of 143102232042 in words is "one hundred forty-three billion, one hundred two million, two hundred thirty-two thousand, forty-two".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 53 66 77 106 113 154 159 226 231 318 339 371 462 583 678 742 791 1113 1166 1243 1582 1749 2226 2373 2486 3498 3729 4081 4746 5989 7458 8162 8701 11978 12243 17402 17967 24486 26103 35934 41923 51719 52206 65879 83846 103438 125769 131758 155157 197637 251538 310314 362033 395274 461153 568909 724066 922306 1086099 1137818 1383459 1706727 2172198 2741107 2766918 3413454 3982363 5482214 5844247 7964726 8223321 11688494 11947089 16446642 17532741 19187749 23894178 30152177 35065482 38375498 40909729 57563247 60304354 64286717 81819458 90456531 115126494 122729187 128573434 180913062 192860151 211065239 245458374 309745091 385720302 422130478 450007019 619490182 633195717 900014038 929235273 1266391434 1350021057 1858470546 2168215637 2700042114 3407196001 4336431274 6504646911 6814392002 10221588003 13009293822 20443176006 23850372007 47700744014 71551116021 143102232042