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102300001210 = 251117192879257
BaseRepresentation
bin101111101000110001…
…1100010001110111010
3100210001110111111202201
41133101203202032322
53134002300014320
6114555044020414
710251042443251
oct1372143421672
9323043444681
10102300001210
113a426758050
12179b009170a
1398541852c4
144d466cd798
1529db10b70a
hex17d18e23ba

102300001210 has 64 divisors (see below), whose sum is σ = 223891102080. Its totient is φ = 33169029120.

The previous prime is 102300001183. The next prime is 102300001211. The reversal of 102300001210 is 12100003201.

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

It is not an unprimeable number, because it can be changed into a prime (102300001211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1404099 + ... + 1475158.

It is an arithmetic number, because the mean of its divisors is an integer number (3498298470).

Almost surely, 2102300001210 is an apocalyptic number.

102300001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102300001210 is an abundant number, since it is smaller than the sum of its proper divisors (121591100870).

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

102300001210 is a wasteful number, since it uses less digits than its factorization.

102300001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2879311.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 102300001210 its reverse (12100003201), we get a palindrome (114400004411).

The spelling of 102300001210 in words is "one hundred two billion, three hundred million, one thousand, two hundred ten".

Divisors: 1 2 5 10 11 17 19 22 34 38 55 85 95 110 170 187 190 209 323 374 418 646 935 1045 1615 1870 2090 3230 3553 7106 17765 35530 2879257 5758514 14396285 28792570 31671827 48947369 54705883 63343654 97894738 109411766 158359135 244736845 273529415 316718270 489473690 538421059 547058830 601764713 930000011 1076842118 1203529426 1860000022 2692105295 3008823565 4650000055 5384210590 6017647130 9300000110 10230000121 20460000242 51150000605 102300001210