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245384278957051 = 13307209929292239
BaseRepresentation
bin110111110010110011111010…
…110001111101101111111011
31012011211111201022022211121221
4313302303322301331233323
5224130334000403111201
62225515552002012511
7102454300120362163
oct6762637261755773
91164744638284557
10245384278957051
1171206985352aa3
122363114a647137
13a6bc83b213750
14448493bb6d5a3
151d5801cb344a1
hexdf2cfac7dbfb

245384278957051 has 16 divisors (see below), whose sum is σ = 265247091648000. Its totient is φ = 225663183469728.

The previous prime is 245384278957039. The next prime is 245384278957093. The reversal of 245384278957051 is 150759872483542.

It is a cyclic number.

It is not a de Polignac number, because 245384278957051 - 213 = 245384278948859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245384278957031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6269011 + ... + 23023228.

It is an arithmetic number, because the mean of its divisors is an integer number (16577943228000).

Almost surely, 2245384278957051 is an apocalyptic number.

245384278957051 is a deficient number, since it is larger than the sum of its proper divisors (19862812690949).

245384278957051 is a wasteful number, since it uses less digits than its factorization.

245384278957051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29294658.

The product of its (nonzero) digits is 677376000, while the sum is 70.

The spelling of 245384278957051 in words is "two hundred forty-five trillion, three hundred eighty-four billion, two hundred seventy-eight million, nine hundred fifty-seven thousand, fifty-one".

Divisors: 1 13 307 2099 3991 27287 644393 8377109 29292239 380799107 8992717373 61484409661 116905325849 799297325593 18875713765927 245384278957051