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102103003220 = 225139316711597
BaseRepresentation
bin101111100010111010…
…0000011000001010100
3100202112201210222022212
41133011310003001110
53133101332100340
6114523325412552
710243131131141
oct1370564030124
9322481728285
10102103003220
113a335535599
121795610a158
13982240c54a
144d2848d3c8
1529c8b96a65
hex17c5d03054

102103003220 has 48 divisors (see below), whose sum is σ = 216045688320. Its totient is φ = 40531081344.

The previous prime is 102103003169. The next prime is 102103003279. The reversal of 102103003220 is 22300301201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102103003195 and 102103003204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8798462 + ... + 8810058.

It is an arithmetic number, because the mean of its divisors is an integer number (4500951840).

Almost surely, 2102103003220 is an apocalyptic number.

102103003220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102103003220 is an abundant number, since it is smaller than the sum of its proper divisors (113942685100).

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

102103003220 is a wasteful number, since it uses less digits than its factorization.

102103003220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14912 (or 14910 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 102103003220 its reverse (22300301201), we get a palindrome (124403304421).

The spelling of 102103003220 in words is "one hundred two billion, one hundred three million, three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 139 278 556 695 1390 2780 3167 6334 11597 12668 15835 23194 31670 46388 57985 63340 115970 231940 440213 880426 1611983 1760852 2201065 3223966 4402130 6447932 8059915 8804260 16119830 32239660 36727699 73455398 146910796 183638495 367276990 734553980 5105150161 10210300322 20420600644 25525750805 51051501610 102103003220