Search a number
-
+
102123131313132 = 223225915527198091
BaseRepresentation
bin10111001110000101100100…
…111101110001101111101100
3111101120212122121110011211200
4113032011210331301233230
5101341141133104010012
61001110415135045500
730340103252425446
oct2716054475615754
9441525577404750
10102123131313132
112a5a31a4310a76
12b554192070890
1344ca229534287
141b30b00833496
15bc16cc5d43dc
hex5ce164f71bec

102123131313132 has 72 divisors (see below), whose sum is σ = 258292241206272. Its totient is φ = 34021577167200.

The previous prime is 102123131313067. The next prime is 102123131313179. The reversal of 102123131313132 is 231313131321201.

102123131313132 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 2 + 31 + 313 + 1 + 313 + 2 = 666.

It is a super-2 number, since 2×1021231313131322 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102123131313096 and 102123131313105.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 515437407 + ... + 515635497.

It is an arithmetic number, because the mean of its divisors is an integer number (3587392238976).

Almost surely, 2102123131313132 is an apocalyptic number.

102123131313132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102123131313132 is an abundant number, since it is smaller than the sum of its proper divisors (156169109893140).

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

102123131313132 is a wasteful number, since it uses less digits than its factorization.

102123131313132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206219 (or 206214 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 102123131313132 its reverse (231313131321201), we get a palindrome (333436262634333).

The spelling of 102123131313132 in words is "one hundred two trillion, one hundred twenty-three billion, one hundred thirty-one million, three hundred thirteen thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 2591 5182 5527 7773 10364 11054 15546 16581 22108 23319 31092 33162 46638 49743 66324 93276 99486 198091 198972 396182 594273 792364 1188546 1782819 2377092 3565638 7131276 14320457 28640914 42961371 57281828 85922742 128884113 171845484 257768226 513253781 515536452 1026507562 1094848957 1539761343 2053015124 2189697914 3079522686 3284546871 4379395828 4619284029 6159045372 6569093742 9238568058 9853640613 13138187484 18477136116 19707281226 39414562452 2836753647587 5673507295174 8510260942761 11347014590348 17020521885522 25530782828283 34041043771044 51061565656566 102123131313132