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102400300220 = 2255120015011
BaseRepresentation
bin101111101011110001…
…0001001010010111100
3100210022110020020010212
41133113202021102330
53134203434101340
6115013025451552
710253401122221
oct1372742112274
9323273206125
10102400300220
113a478333199
1217a197a0bb8
13986bba1c2a
144d55b5b948
1529e4d1ea65
hex17d78894bc

102400300220 has 12 divisors (see below), whose sum is σ = 215040630504. Its totient is φ = 40960120080.

The previous prime is 102400300217. The next prime is 102400300337. The reversal of 102400300220 is 22003004201.

It is a super-2 number, since 2×1024003002202 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102400300195 and 102400300204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2560007486 + ... + 2560007525.

It is an arithmetic number, because the mean of its divisors is an integer number (17920052542).

Almost surely, 2102400300220 is an apocalyptic number.

102400300220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102400300220 is an abundant number, since it is smaller than the sum of its proper divisors (112640330284).

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

102400300220 is a wasteful number, since it uses less digits than its factorization.

102400300220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120015020 (or 5120015018 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 102400300220 its reverse (22003004201), we get a palindrome (124403304421).

The spelling of 102400300220 in words is "one hundred two billion, four hundred million, three hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 5120015011 10240030022 20480060044 25600075055 51200150110 102400300220