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102120003232 = 2513245480777
BaseRepresentation
bin101111100011011010…
…0111001011010100000
3100202120220210122221221
41133012310321122200
53133120210100412
6114525134024424
710243425463642
oct1370664713240
9322526718857
10102120003232
113a344096995
121795b948114
139825ab2320
144d2a836892
1529ca403b07
hex17c6d396a0

102120003232 has 24 divisors (see below), whose sum is σ = 216514046196. Its totient is φ = 47132308992.

The previous prime is 102120003143. The next prime is 102120003277. The reversal of 102120003232 is 232300021201.

It can be written as a sum of positive squares in 2 ways, for example, as 78599486736 + 23520516496 = 280356^2 + 153364^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122739973 + ... + 122740804.

Almost surely, 2102120003232 is an apocalyptic number.

It is an amenable number.

102120003232 is an abundant number, since it is smaller than the sum of its proper divisors (114394042964).

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

102120003232 is a wasteful number, since it uses less digits than its factorization.

102120003232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245480800 (or 245480792 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 102120003232 its reverse (232300021201), we get a palindrome (334420024433).

The spelling of 102120003232 in words is "one hundred two billion, one hundred twenty million, three thousand, two hundred thirty-two".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 245480777 490961554 981923108 1963846216 3191250101 3927692432 6382500202 7855384864 12765000404 25530000808 51060001616 102120003232