Search a number
-
+
102032013020 = 22572104999251
BaseRepresentation
bin101111100000110010…
…1001111011011011100
3100202100210020022002012
41133001211033123130
53132430143404040
6114512312050352
710241306541500
oct1370145173334
9322323208065
10102032013020
113a2a9458603
12179363939b8
1398107b5102
144d1cc90300
1529c2822865
hex17c194f6dc

102032013020 has 72 divisors (see below), whose sum is σ = 249489752400. Its totient is φ = 34948704000.

The previous prime is 102032013019. The next prime is 102032013037. The reversal of 102032013020 is 20310230201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 102032012986 and 102032013004.

It is a congruent number.

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, 978395 + ... + 1077645.

It is an arithmetic number, because the mean of its divisors is an integer number (3465135450).

Almost surely, 2102032013020 is an apocalyptic number.

102032013020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102032013020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124744876200).

102032013020 is an abundant number, since it is smaller than the sum of its proper divisors (147457739380).

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

102032013020 is a wasteful number, since it uses less digits than its factorization.

102032013020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100323 (or 100314 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 102032013020 its reverse (20310230201), we get a palindrome (122342243221).

The spelling of 102032013020 in words is "one hundred two billion, thirty-two million, thirteen thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 1049 2098 4196 5245 7343 10490 14686 20980 29372 36715 51401 73430 99251 102802 146860 198502 205604 257005 397004 496255 514010 694757 992510 1028020 1389514 1985020 2779028 3473785 4863299 6947570 9726598 13895140 19453196 24316495 48632990 97265980 104114299 208228598 416457196 520571495 728800093 1041142990 1457600186 2082285980 2915200372 3644000465 5101600651 7288000930 10203201302 14576001860 20406402604 25508003255 51016006510 102032013020