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102122101230 = 23531372967803
BaseRepresentation
bin101111100011011110…
…0111001100111101110
3100202121001202020212120
41133012330321213232
53133121224214410
6114525251013410
710243452352362
oct1370674714756
9322531666776
10102122101230
113a34529a176
121796059a266
139826368246
144d2ac212a2
1529ca6ba570
hex17c6f399ee

102122101230 has 64 divisors (see below), whose sum is σ = 259837175808. Its totient is φ = 25641809280.

The previous prime is 102122101187. The next prime is 102122101253. The reversal of 102122101230 is 32101221201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1449492 + ... + 1518311.

It is an arithmetic number, because the mean of its divisors is an integer number (4059955872).

Almost surely, 2102122101230 is an apocalyptic number.

102122101230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102122101230 is an abundant number, since it is smaller than the sum of its proper divisors (157715074578).

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

102122101230 is a wasteful number, since it uses less digits than its factorization.

102122101230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2967881.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 102122101230 its reverse (32101221201), we get a palindrome (134223322431).

The spelling of 102122101230 in words is "one hundred two billion, one hundred twenty-two million, one hundred one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 37 62 74 93 111 155 185 186 222 310 370 465 555 930 1110 1147 2294 3441 5735 6882 11470 17205 34410 2967803 5935606 8903409 14839015 17806818 29678030 44517045 89034090 92001893 109808711 184003786 219617422 276005679 329426133 460009465 549043555 552011358 658852266 920018930 1098087110 1380028395 1647130665 2760056790 3294261330 3404070041 6808140082 10212210123 17020350205 20424420246 34040700410 51061050615 102122101230