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8123054914 = 2131916443431
BaseRepresentation
bin1111001000010101…
…11111101101000010
3202222002221221111201
413210022333231002
5113114000224124
63422013131414
7405203553562
oct74412775502
922862857451
108123054914
113499286427
1216a8489b6a
139c5b99690
14570b7ada2
15328206144
hex1e42bfb42

8123054914 has 16 divisors (see below), whose sum is σ = 13812482880. Its totient is φ = 3551780880.

The previous prime is 8123054897. The next prime is 8123054939. The reversal of 8123054914 is 4194503218.

It is a super-2 number, since 2×81230549142 (a number of 21 digits) contains 22 as substring.

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, 8221222 + ... + 8222209.

It is an arithmetic number, because the mean of its divisors is an integer number (863280180).

Almost surely, 28123054914 is an apocalyptic number.

8123054914 is a deficient number, since it is larger than the sum of its proper divisors (5689427966).

8123054914 is a wasteful number, since it uses less digits than its factorization.

8123054914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16443465.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 8123054914 is about 90127.9918449313. The cubic root of 8123054914 is about 2010.2024427501.

The spelling of 8123054914 in words is "eight billion, one hundred twenty-three million, fifty-four thousand, nine hundred fourteen".

Divisors: 1 2 13 19 26 38 247 494 16443431 32886862 213764603 312425189 427529206 624850378 4061527457 8123054914