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102031130231120 = 2455839218425951
BaseRepresentation
bin10111001100101111111001…
…010001100000000101010000
3111101021002011220011222020202
4113030233321101200011100
5101333134223314343440
61001000242032354332
730330335344222526
oct2714577121400520
9441232156158222
10102031130231120
112a5681830843a2
12b53a3970a59a8
1344c1656c792cc
141b2a493c78316
15bbe0e572e615
hex5ccbf9460150

102031130231120 has 40 divisors (see below), whose sum is σ = 237263006100480. Its totient is φ = 40805462275200.

The previous prime is 102031130231101. The next prime is 102031130231137. The reversal of 102031130231120 is 21132031130201.

It is a happy number.

102031130231120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 102031130231092 and 102031130231101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108745856 + ... + 109680095.

It is an arithmetic number, because the mean of its divisors is an integer number (5931575152512).

Almost surely, 2102031130231120 is an apocalyptic number.

102031130231120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102031130231120 is an abundant number, since it is smaller than the sum of its proper divisors (135231875869360).

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

102031130231120 is a wasteful number, since it uses less digits than its factorization.

102031130231120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218431803 (or 218431797 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 102031130231120 its reverse (21132031130201), we get a palindrome (123163161361321).

The spelling of 102031130231120 in words is "one hundred two trillion, thirty-one billion, one hundred thirty million, two hundred thirty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 5839 11678 23356 29195 46712 58390 93424 116780 233560 467120 218425951 436851902 873703804 1092129755 1747407608 2184259510 3494815216 4368519020 8737038040 17474076080 1275389127889 2550778255778 5101556511556 6376945639445 10203113023112 12753891278890 20406226046224 25507782557780 51015565115560 102031130231120