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27090168940 = 22510924151563
BaseRepresentation
bin11001001110101100…
…110010110001101100
32120220221221011120101
4121032230302301230
5420440040401230
620240044200444
71646214431242
oct311654626154
976827834511
1027090168940
111054176a97a
125300539124
132729591683
14144dbd4792
15a88446aca
hex64eb32c6c

27090168940 has 48 divisors (see below), whose sum is σ = 57650614560. Its totient is φ = 10691896320.

The previous prime is 27090168887. The next prime is 27090168961. The reversal of 27090168940 is 4986109072.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499599 + ... + 551161.

It is an arithmetic number, because the mean of its divisors is an integer number (1201054470).

Almost surely, 227090168940 is an apocalyptic number.

27090168940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27090168940 is an abundant number, since it is smaller than the sum of its proper divisors (30560445620).

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

27090168940 is a wasteful number, since it uses less digits than its factorization.

27090168940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51922 (or 51920 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 27090168940 in words is "twenty-seven billion, ninety million, one hundred sixty-eight thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 109 218 241 436 482 545 964 1090 1205 2180 2410 4820 26269 51563 52538 103126 105076 131345 206252 257815 262690 515630 525380 1031260 5620367 11240734 12426683 22481468 24853366 28101835 49706732 56203670 62133415 112407340 124266830 248533660 1354508447 2709016894 5418033788 6772542235 13545084470 27090168940