Search a number
-
+
120420102242 = 211171943394099
BaseRepresentation
bin111000000100110011…
…0001111000001100010
3102111211021200000102202
41300021212033001202
53433110021232432
6131153100413202
711462056660166
oct1601146170142
9374737600382
10120420102242
1147085010160
121b408547202
13b48124678b
145b85060ca6
1531ebcda462
hex1c0998f062

120420102242 has 64 divisors (see below), whose sum is σ = 224731584000. Its totient is φ = 47670094080.

The previous prime is 120420102239. The next prime is 120420102263. The reversal of 120420102242 is 242201024021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108509 + ... + 502607.

It is an arithmetic number, because the mean of its divisors is an integer number (3511431000).

Almost surely, 2120420102242 is an apocalyptic number.

120420102242 is a deficient number, since it is larger than the sum of its proper divisors (104311481758).

120420102242 is a wasteful number, since it uses less digits than its factorization.

120420102242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394191.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 120420102242 its reverse (242201024021), we get a palindrome (362621126263).

The spelling of 120420102242 in words is "one hundred twenty billion, four hundred twenty million, one hundred two thousand, two hundred forty-two".

Divisors: 1 2 11 17 19 22 34 38 43 86 187 209 323 374 418 473 646 731 817 946 1462 1634 3553 7106 8041 8987 13889 16082 17974 27778 152779 305558 394099 788198 4335089 6699683 7487881 8670178 13399366 14975762 16946257 33892514 73696513 82366691 127293977 147393026 164733382 186408827 254587954 288086369 321978883 372817654 576172738 643957766 1400233747 2800467494 3168950059 3541767713 5473641011 6337900118 7083535426 10947282022 60210051121 120420102242