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245120313501020 = 22525917834728797
BaseRepresentation
bin110111101110111110000101…
…001101101010010101011100
31012010220021101002202022100102
4313232332011031222111130
5224112022400224013040
62225154414550120232
7102426233606126156
oct6756760515522534
91163807332668312
10245120313501020
1171114a39774a51
12235a9b61050078
13a6a0991a4c009
144475c5a6b7ad6
151d5121dc5c515
hexdeef8536a55c

245120313501020 has 24 divisors (see below), whose sum is σ = 514752965816544. Its totient is φ = 98048066835776.

The previous prime is 245120313500987. The next prime is 245120313501031. The reversal of 245120313501020 is 20105313021542.

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, 49471262 + ... + 54200058.

It is an arithmetic number, because the mean of its divisors is an integer number (21448040242356).

Almost surely, 2245120313501020 is an apocalyptic number.

245120313501020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245120313501020 is an abundant number, since it is smaller than the sum of its proper divisors (269632652315524).

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

245120313501020 is a wasteful number, since it uses less digits than its factorization.

245120313501020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7320589 (or 7320587 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 245120313501020 its reverse (20105313021542), we get a palindrome (265225626522562).

The spelling of 245120313501020 in words is "two hundred forty-five trillion, one hundred twenty billion, three hundred thirteen million, five hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 2591783 4728797 5183566 9457594 10367132 12958915 18915188 23643985 25917830 47287970 51835660 94575940 12256015675051 24512031350102 49024062700204 61280078375255 122560156750510 245120313501020