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102010440220 = 225131180133247
BaseRepresentation
bin101111100000001001…
…0111100101000011100
3100202022021122021202121
41133000102330220130
53132404133041340
6114510221432324
710240625302153
oct1370022745034
9322267567677
10102010440220
113a298263647
121792b10b6a4
1398091a0b40
144d1a07659a
1529c09b094a
hex17c04bca1c

102010440220 has 48 divisors (see below), whose sum is σ = 230727022848. Its totient is φ = 37661068800.

The previous prime is 102010440157. The next prime is 102010440247. The reversal of 102010440220 is 22044010201.

It is a super-2 number, since 2×1020104402202 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102010440194 and 102010440203.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3051637 + ... + 3084883.

It is an arithmetic number, because the mean of its divisors is an integer number (4806812976).

Almost surely, 2102010440220 is an apocalyptic number.

102010440220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102010440220 is an abundant number, since it is smaller than the sum of its proper divisors (128716582628).

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

102010440220 is a wasteful number, since it uses less digits than its factorization.

102010440220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45070 (or 45068 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 102010440220 its reverse (22044010201), we get a palindrome (124054450421).

The spelling of 102010440220 in words is "one hundred two billion, ten million, four hundred forty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 11801 23602 33247 47204 59005 66494 118010 132988 153413 166235 236020 306826 332470 432211 613652 664940 767065 864422 1534130 1728844 2161055 3068260 4322110 8644220 392347847 784695694 1569391388 1961739235 3923478470 5100522011 7846956940 10201044022 20402088044 25502610055 51005220110 102010440220