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27090881948 = 22131953895813
BaseRepresentation
bin11001001110101111…
…100000110110011100
32120221000021101122002
4121032233200312130
5420440231210243
620240111341432
71646223461054
oct311657406634
976830241562
1027090881948
1110542107639
125300821878
132729781080
14144dd3c564
15a88537eb8
hex64ebe0d9c

27090881948 has 96 divisors (see below), whose sum is σ = 55381838400. Its totient is φ = 11489347584.

The previous prime is 27090881941. The next prime is 27090881953. The reversal of 27090881948 is 84918809072.

It is a junction number, because it is equal to n+sod(n) for n = 27090881893 and 27090881902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27090881941) by changing a digit.

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, 4657490 + ... + 4663302.

It is an arithmetic number, because the mean of its divisors is an integer number (576894150).

Almost surely, 227090881948 is an apocalyptic number.

It is an amenable number.

27090881948 is an abundant number, since it is smaller than the sum of its proper divisors (28290956452).

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

27090881948 is a wasteful number, since it uses less digits than its factorization.

27090881948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5991 (or 5989 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 56.

The spelling of 27090881948 in words is "twenty-seven billion, ninety million, eight hundred eighty-one thousand, nine hundred forty-eight".

Divisors: 1 2 4 13 19 26 38 52 53 76 89 106 178 212 247 356 494 689 988 1007 1157 1378 1691 2014 2314 2756 3382 4028 4628 4717 5813 6764 9434 11626 13091 18868 21983 23252 26182 43966 52364 61321 75569 87932 89623 110447 122642 151138 179246 220894 245284 302276 308089 358492 441788 517357 616178 1034714 1165099 1232356 1435811 2069428 2330198 2871622 4005157 4660396 5743244 5853691 6725641 8010314 9829783 11707382 13451282 16020628 19659566 23414764 26902564 27419921 39319132 54839842 76097983 109679684 127787179 152195966 255574358 304391932 356458973 511148716 520978499 712917946 1041956998 1425835892 2083913996 6772720487 13545440974 27090881948