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54872999999 = 401911150209
BaseRepresentation
bin110011000110101011…
…111000100000111111
312020122012020012221022
4303012223320200333
51344334441444444
641112554454355
73651542542556
oct630653704077
9166565205838
1054872999999
11212a9418084
12a774a343bb
1352364c348c
1429279b2d9d
1516625b19ee
hexcc6af883f

54872999999 has 8 divisors (see below), whose sum is σ = 55070591040. Its totient is φ = 54675712000.

The previous prime is 54872999971. The next prime is 54873000073. The reversal of 54872999999 is 99999927845.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54872999999 - 228 = 54604564543 is a prime.

It is a super-2 number, since 2×548729999992 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

54872999999 is a modest number, since divided by 999999 gives 54872 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54872999969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290207 + ... + 440415.

It is an arithmetic number, because the mean of its divisors is an integer number (6883823880).

Almost surely, 254872999999 is an apocalyptic number.

54872999999 is a deficient number, since it is larger than the sum of its proper divisors (197591041).

54872999999 is a wasteful number, since it uses less digits than its factorization.

54872999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151521.

The product of its digits is 1190427840, while the sum is 80.

The spelling of 54872999999 in words is "fifty-four billion, eight hundred seventy-two million, nine hundred ninety-nine thousand, nine hundred ninety-nine".

Divisors: 1 401 911 150209 365311 60233809 136840399 54872999999