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245305024340 = 22567183063451
BaseRepresentation
bin1110010001110101010…
…0011001111101010100
3212110011201200101021212
43210131110121331110
513004341041234330
6304405214000552
723502613206035
oct3443524317524
9773151611255
10245305024340
1195040322582
123b6601a6158
131a194499c9c
14bc31070a8c
1565aaa65295
hex391d519f54

245305024340 has 24 divisors (see below), whose sum is σ = 522829218912. Its totient is φ = 96657501600.

The previous prime is 245305024271. The next prime is 245305024373. The reversal of 245305024340 is 43420503542.

It is a junction number, because it is equal to n+sod(n) for n = 245305024297 and 245305024306.

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, 91530386 + ... + 91533065.

It is an arithmetic number, because the mean of its divisors is an integer number (21784550788).

Almost surely, 2245305024340 is an apocalyptic number.

245305024340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245305024340 is an abundant number, since it is smaller than the sum of its proper divisors (277524194572).

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

245305024340 is a wasteful number, since it uses less digits than its factorization.

245305024340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183063527 (or 183063525 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 245305024340 its reverse (43420503542), we get a palindrome (288725527882).

The spelling of 245305024340 in words is "two hundred forty-five billion, three hundred five million, twenty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 183063451 366126902 732253804 915317255 1830634510 3661269020 12265251217 24530502434 49061004868 61326256085 122652512170 245305024340