Search a number
-
+
102033320240 = 2451275416503
BaseRepresentation
bin101111100000110101…
…0001110100100110000
3100202100212200201020202
41133001222032210300
53132431012221430
6114512400054332
710241323624565
oct1370152164460
9322325621222
10102033320240
113a2aa170755
12179369043a8
139810b52107
144d1d11086c
1529c29ced45
hex17c1a8e930

102033320240 has 20 divisors (see below), whose sum is σ = 237227469744. Its totient is φ = 40813328064.

The previous prime is 102033320239. The next prime is 102033320267. The reversal of 102033320240 is 42023330201.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637708172 + ... + 637708331.

Almost surely, 2102033320240 is an apocalyptic number.

102033320240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102033320240 is an abundant number, since it is smaller than the sum of its proper divisors (135194149504).

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

102033320240 is a wasteful number, since it uses less digits than its factorization.

102033320240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275416516 (or 1275416510 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 102033320240 its reverse (42023330201), we get a palindrome (144056650441).

The spelling of 102033320240 in words is "one hundred two billion, thirty-three million, three hundred twenty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1275416503 2550833006 5101666012 6377082515 10203332024 12754165030 20406664048 25508330060 51016660120 102033320240