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120120230130 = 235172834311931
BaseRepresentation
bin110111111011110111…
…0010100000011110010
3102111001101101221020020
41233313232110003302
53432001234331010
6131103225224310
711451456052365
oct1576756240362
9374041357206
10120120230130
1146a4081386a
121b344032096
13b434091c64
145b572c20dc
1531d0804470
hex1bf7b940f2

120120230130 has 128 divisors (see below), whose sum is σ = 307195047936. Its totient is φ = 29956070400.

The previous prime is 120120230107. The next prime is 120120230143. The reversal of 120120230130 is 31032021021.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 62205265 + ... + 62207195.

It is an arithmetic number, because the mean of its divisors is an integer number (2399961312).

Almost surely, 2120120230130 is an apocalyptic number.

120120230130 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 120120230130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153597523968).

120120230130 is an abundant number, since it is smaller than the sum of its proper divisors (187074817806).

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

120120230130 is a wasteful number, since it uses less digits than its factorization.

120120230130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 120120230130 its reverse (31032021021), we get a palindrome (151152251151).

The spelling of 120120230130 in words is "one hundred twenty billion, one hundred twenty million, two hundred thirty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 283 431 510 566 849 862 1293 1415 1698 1931 2155 2586 2830 3862 4245 4310 4811 5793 6465 7327 8490 9622 9655 11586 12930 14433 14654 19310 21981 24055 28866 28965 32827 36635 43962 48110 57930 65654 72165 73270 98481 109905 121973 144330 164135 196962 219810 243946 328270 365919 492405 546473 609865 731838 832261 984810 1092946 1219730 1639419 1664522 1829595 2073541 2496783 2732365 3278838 3659190 4147082 4161305 4993566 5464730 6220623 8197095 8322610 9290041 10367705 12441246 12483915 14148437 16394190 18580082 20735410 24967830 27870123 28296874 31103115 42445311 46450205 55740246 62206230 70742185 84890622 92900410 139350615 141484370 212226555 235529863 278701230 424453110 471059726 706589589 1177649315 1413179178 2355298630 3532947945 4004007671 7065895890 8008015342 12012023013 20020038355 24024046026 40040076710 60060115065 120120230130