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102442213100 = 22527309140159
BaseRepresentation
bin101111101101000001…
…0000001111011101100
3100210102101002121210202
41133122002001323230
53134300201304400
6115021124053032
710254420305213
oct1373202017354
9323371077722
10102442213100
113a499a5aa37
1217a2b834178
139877788356
144d5b54c07a
1529e884d4d5
hex17da081eec

102442213100 has 36 divisors (see below), whose sum is σ = 222331603200. Its totient is φ = 40970986560.

The previous prime is 102442213091. The next prime is 102442213147. The reversal of 102442213100 is 1312244201.

It is a super-2 number, since 2×1024422131002 (a number of 23 digits) contains 22 as substring.

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 (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 660821 + ... + 800979.

Almost surely, 2102442213100 is an apocalyptic number.

102442213100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102442213100 is an abundant number, since it is smaller than the sum of its proper divisors (119889390100).

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

102442213100 is a wasteful number, since it uses less digits than its factorization.

102442213100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147482 (or 147475 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 102442213100 its reverse (1312244201), we get a palindrome (103754457301).

The spelling of 102442213100 in words is "one hundred two billion, four hundred forty-two million, two hundred thirteen thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 7309 14618 29236 36545 73090 140159 146180 182725 280318 365450 560636 700795 730900 1401590 2803180 3503975 7007950 14015900 1024422131 2048844262 4097688524 5122110655 10244221310 20488442620 25610553275 51221106550 102442213100