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14955228690 = 2353764121019
BaseRepresentation
bin11011110110110011…
…01010111000010010
31102121020220022222220
431323121222320102
5221112014304230
610511554241510
71036414226553
oct157331527022
942536808886
1014955228690
116384922736
122a94586296
1315444a185c
14a1c2cc32a
155c7e1dd10
hex37b66ae12

14955228690 has 64 divisors (see below), whose sum is σ = 36921882240. Its totient is φ = 3874037760.

The previous prime is 14955228683. The next prime is 14955228703. The reversal of 14955228690 is 9682255941.

It is a super-2 number, since 2×149552286902 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 701001 + ... + 722019.

It is an arithmetic number, because the mean of its divisors is an integer number (576904410).

Almost surely, 214955228690 is an apocalyptic number.

14955228690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14955228690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18460941120).

14955228690 is an abundant number, since it is smaller than the sum of its proper divisors (21966653550).

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

14955228690 is a wasteful number, since it uses less digits than its factorization.

14955228690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21707.

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 14955228690 in words is "fourteen billion, nine hundred fifty-five million, two hundred twenty-eight thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 555 641 1110 1282 1923 3205 3846 6410 9615 19230 21019 23717 42038 47434 63057 71151 105095 118585 126114 142302 210190 237170 315285 355755 630570 711510 777703 1555406 2333109 3888515 4666218 7777030 11665545 13473179 23331090 26946358 40419537 67365895 80839074 134731790 202097685 404195370 498507623 997015246 1495522869 2492538115 2991045738 4985076230 7477614345 14955228690