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103222131020 = 225172314988589
BaseRepresentation
bin110000000100010000…
…1001011100101001100
3100212102201122120001122
41200020201023211030
53142344331143040
6115230344300112
710312640431331
oct1401041134514
9325381576048
10103222131020
113a85a2248a8
1218008a71638
139970229648
144dd2d6a988
152a4205a1b5
hex180884b94c

103222131020 has 96 divisors (see below), whose sum is σ = 241106544000. Its totient is φ = 36920643584.

The previous prime is 103222131011. The next prime is 103222131029. The reversal of 103222131020 is 20131222301.

It is an interprime number because it is at equal distance from previous prime (103222131011) and next prime (103222131029).

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 103222131020.

It is not an unprimeable number, because it can be changed into a prime (103222131029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1120886 + ... + 1209474.

It is an arithmetic number, because the mean of its divisors is an integer number (2511526500).

Almost surely, 2103222131020 is an apocalyptic number.

103222131020 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 103222131020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120553272000).

103222131020 is an abundant number, since it is smaller than the sum of its proper divisors (137884412980).

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

103222131020 is a wasteful number, since it uses less digits than its factorization.

103222131020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88787 (or 88785 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 103222131020 its reverse (20131222301), we get a palindrome (123353353321).

The spelling of 103222131020 in words is "one hundred three billion, two hundred twenty-two million, one hundred thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 17 20 23 34 46 68 85 92 115 149 170 230 298 340 391 460 596 745 782 1490 1564 1955 2533 2980 3427 3910 5066 6854 7820 10132 12665 13708 17135 25330 34270 50660 58259 68540 88589 116518 177178 233036 291295 354356 442945 582590 885890 1165180 1506013 1771780 2037547 3012026 4075094 6024052 7530065 8150188 10187735 13199761 15060130 20375470 26399522 30120260 34638299 40750940 52799044 65998805 69276598 131997610 138553196 173191495 224395937 263995220 303594503 346382990 448791874 607189006 692765980 897583748 1121979685 1214378012 1517972515 2243959370 3035945030 4487918740 5161106551 6071890060 10322213102 20644426204 25805532755 51611065510 103222131020