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27953726070 = 23537129119507
BaseRepresentation
bin11010000010001011…
…000000001001110110
32200011010212102020210
4122002023000021312
5424222123213240
620501453210250
72006501515434
oct320213001166
980133772223
1027953726070
1110945171156
125501790986
13283646861a
1414d2785d54
15ad9175780
hex6822c0276

27953726070 has 64 divisors (see below), whose sum is σ = 68959063296. Its totient is φ = 7246869120.

The previous prime is 27953726051. The next prime is 27953726113. The reversal of 27953726070 is 7062735972.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1423257 + ... + 1442763.

It is an arithmetic number, because the mean of its divisors is an integer number (1077485364).

Almost surely, 227953726070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27953726070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34479531648).

27953726070 is an abundant number, since it is smaller than the sum of its proper divisors (41005337226).

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

27953726070 is a wasteful number, since it uses less digits than its factorization.

27953726070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20845.

The product of its (nonzero) digits is 1111320, while the sum is 48.

The spelling of 27953726070 in words is "twenty-seven billion, nine hundred fifty-three million, seven hundred twenty-six thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 555 1110 1291 2582 3873 6455 7746 12910 19365 19507 38730 39014 47767 58521 95534 97535 117042 143301 195070 238835 286602 292605 477670 585210 716505 721759 1433010 1443518 2165277 3608795 4330554 7217590 10826385 21652770 25183537 50367074 75550611 125917685 151101222 251835370 377753055 755506110 931790869 1863581738 2795372607 4658954345 5590745214 9317908690 13976863035 27953726070