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102211001200 = 24527211474077
BaseRepresentation
bin101111100110001000…
…0000001101101110000
3100202211021000211201001
41133030100001231300
53133312004014300
6114542144251344
710245612114100
oct1371420015560
9322737024631
10102211001200
113a39049a020
1217986310b54
13983b8c3589
144d38963200
1529d33cb16a
hex17cc401b70

102211001200 has 180 divisors, whose sum is σ = 311622847272. Its totient is φ = 31857907200.

The previous prime is 102211001159. The next prime is 102211001251. The reversal of 102211001200 is 2100112201.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21439 + ... + 452638.

Almost surely, 2102211001200 is an apocalyptic number.

102211001200 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 102211001200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155811423636).

102211001200 is an abundant number, since it is smaller than the sum of its proper divisors (209411846072).

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

102211001200 is a wasteful number, since it uses less digits than its factorization.

102211001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474120 (or 474102 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102211001200 its reverse (2100112201), we get a palindrome (104311113401).

The spelling of 102211001200 in words is "one hundred two billion, two hundred eleven million, one thousand, two hundred".