Search a number
-
+
102020305443 = 37291042916063
BaseRepresentation
bin101111100000011100…
…0100101001000100011
3100202022222012111022020
41133000320211020203
53132414144233233
6114511213112523
710241105200560
oct1370070451043
9322288174266
10102020305443
113a2a2891521
1217932488743
13980b246254
144d1b4c3867
1529c17ad9b3
hex17c0e25223

102020305443 has 32 divisors (see below), whose sum is σ = 160845619200. Its totient is φ = 56278164096.

The previous prime is 102020305411. The next prime is 102020305483. The reversal of 102020305443 is 344503020201.

It is not a de Polignac number, because 102020305443 - 25 = 102020305411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102020305483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6343230 + ... + 6359292.

It is an arithmetic number, because the mean of its divisors is an integer number (5026425600).

Almost surely, 2102020305443 is an apocalyptic number.

102020305443 is a deficient number, since it is larger than the sum of its proper divisors (58825313757).

102020305443 is a wasteful number, since it uses less digits than its factorization.

102020305443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26531.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 102020305443 its reverse (344503020201), we get a palindrome (446523325644).

The spelling of 102020305443 in words is "one hundred two billion, twenty million, three hundred five thousand, four hundred forty-three".

Divisors: 1 3 7 21 29 87 203 609 10429 16063 31287 48189 73003 112441 219009 302441 337323 465827 907323 1397481 2117087 3260789 6351261 9782367 167521027 502563081 1172647189 3517941567 4858109783 14574329349 34006768481 102020305443