Search a number
-
+
27943933934972 = 221142611016914657
BaseRepresentation
bin1100101101010001101000…
…10000010111110101111100
310122221102011210122201001002
412112220310100113311330
512130313134041404342
6135233133243505432
75612611506242456
oct626506420276574
9118842153581032
1027943933934972
1189a3a57233840
12317387ab28278
13127914247a993
146c86ca6c12d6
15336d44b1dd32
hex196a34417d7c

27943933934972 has 48 divisors (see below), whose sum is σ = 53368918454880. Its totient is φ = 12696692121600.

The previous prime is 27943933934957. The next prime is 27943933934993.

27943933934972 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 27943933934972.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1906517468 + ... + 1906532124.

It is an arithmetic number, because the mean of its divisors is an integer number (1111852467810).

Almost surely, 227943933934972 is an apocalyptic number.

27943933934972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27943933934972 is a deficient number, since it is larger than the sum of its proper divisors (25424984519908).

27943933934972 is a wasteful number, since it uses less digits than its factorization.

27943933934972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29102 (or 29100 counting only the distinct ones).

The product of its digits is 1666598976, while the sum is 74.

The spelling of 27943933934972 in words is "twenty-seven trillion, nine hundred forty-three billion, nine hundred thirty-three million, nine hundred thirty-four thousand, nine hundred seventy-two".

Divisors: 1 2 4 11 22 44 4261 8522 10169 14657 17044 20338 29314 40676 46871 58628 93742 111859 161227 187484 223718 322454 447436 644908 43330109 62453477 86660218 124906954 149047033 173320436 249813908 298094066 476631199 596188132 686988247 953262398 1373976494 1639517363 1906524796 2747952988 3279034726 6558069452 635089407613 1270178815226 2540357630452 6985983483743 13971966967486 27943933934972