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102201202000 = 245351100601
BaseRepresentation
bin101111100101110101…
…0101001010101010000
3100202210120120222201201
41133023222221111100
53133302001431000
6114541154240544
710245432612022
oct1371352512520
9322716528651
10102201202000
113a385a06807
1217982b86154
139839872231
144d37532012
1529d25e296a
hex17cbaa9550

102201202000 has 40 divisors (see below), whose sum is σ = 247122511272. Its totient is φ = 40880480000.

The previous prime is 102201201941. The next prime is 102201202003. The reversal of 102201202000 is 202102201.

It can be written as a sum of positive squares in 4 ways, for example, as 25081690384 + 77119511616 = 158372^2 + 277704^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102201202003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25548301 + ... + 25552300.

Almost surely, 2102201202000 is an apocalyptic number.

102201202000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102201202000 is an abundant number, since it is smaller than the sum of its proper divisors (144921309272).

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

102201202000 is an equidigital number, since it uses as much as digits as its factorization.

102201202000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51100624 (or 51100608 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 102201202000 its reverse (202102201), we get a palindrome (102403304201).

It can be divided in two parts, 102 and 201202000, that added together give a palindrome (201202102).

The spelling of 102201202000 in words is "one hundred two billion, two hundred one million, two hundred two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 51100601 102201202 204402404 255503005 408804808 511006010 817609616 1022012020 1277515025 2044024040 2555030050 4088048080 5110060100 6387575125 10220120200 12775150250 20440240400 25550300500 51100601000 102201202000