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245315473405040 = 24513072346169409
BaseRepresentation
bin110111110001110011110101…
…101001100111010001110000
31012011120221010010112122100202
4313301303311221213101300
5224123222042142430130
62225424212300134332
7102446313056005163
oct6761636551472160
91164527103478322
10245315473405040
117118a787415425
122361b9478373a8
13a6b61c439846c
144481491a3dada
151d56342314145
hexdf1cf5a67470

245315473405040 has 40 divisors (see below), whose sum is σ = 570794863420080. Its totient is φ = 98051111899136.

The previous prime is 245315473405027. The next prime is 245315473405111. The reversal of 245315473405040 is 40504374513542.

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

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, 1172980145 + ... + 1173189264.

It is an arithmetic number, because the mean of its divisors is an integer number (14269871585502).

Almost surely, 2245315473405040 is an apocalyptic number.

245315473405040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245315473405040 is an abundant number, since it is smaller than the sum of its proper divisors (325479390015040).

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

245315473405040 is a wasteful number, since it uses less digits than its factorization.

245315473405040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2346170729 (or 2346170723 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 47.

The spelling of 245315473405040 in words is "two hundred forty-five trillion, three hundred fifteen billion, four hundred seventy-three million, four hundred five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1307 2614 5228 6535 10456 13070 20912 26140 52280 104560 2346169409 4692338818 9384677636 11730847045 18769355272 23461694090 37538710544 46923388180 93846776360 187693552720 3066443417563 6132886835126 12265773670252 15332217087815 24531547340504 30664434175630 49063094681008 61328868351260 122657736702520 245315473405040