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1368961908950 = 25230838880713
BaseRepresentation
bin10011111010111100011…
…111010000000011010110
311211212112022100101220002
4103322330133100003112
5134412113222041300
62524520432411302
7200622103142456
oct23727437200326
94755468311802
101368961908950
11488634344079
121a13926a6b32
139c128458c1c
144a388379d66
152592332d5d5
hex13ebc7d00d6

1368961908950 has 24 divisors (see below), whose sum is σ = 2547095343768. Its totient is φ = 547407087680.

The previous prime is 1368961908947. The next prime is 1368961908959. The reversal of 1368961908950 is 598091698631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368961908959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4286207 + ... + 4594506.

It is an arithmetic number, because the mean of its divisors is an integer number (106128972657).

Almost surely, 21368961908950 is an apocalyptic number.

1368961908950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1368961908950 is a deficient number, since it is larger than the sum of its proper divisors (1178133434818).

1368961908950 is a wasteful number, since it uses less digits than its factorization.

1368961908950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8883808 (or 8883803 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 65.

The spelling of 1368961908950 in words is "one trillion, three hundred sixty-eight billion, nine hundred sixty-one million, nine hundred eight thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 3083 6166 15415 30830 77075 154150 8880713 17761426 44403565 88807130 222017825 444035650 27379238179 54758476358 136896190895 273792381790 684480954475 1368961908950