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690034463481 = 31126773388657
BaseRepresentation
bin10100000101010010100…
…00100101001011111001
32102222002200120200121210
422002221100211023321
542301142310312411
61244555241153333
7100565461110126
oct12025120451371
92388080520553
10690034463481
11246707513600
12b189718b849
13500ba95827c
142557d99374d
1512e39255ca6
hexa0a94252f9

690034463481 has 48 divisors (see below), whose sum is σ = 1040446793792. Its totient is φ = 406316528640.

The previous prime is 690034463477. The next prime is 690034463497. The reversal of 690034463481 is 184364430096.

It is not a de Polignac number, because 690034463481 - 22 = 690034463477 is a prime.

It is a super-2 number, since 2×6900344634812 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 690034463481.

It is not an unprimeable number, because it can be changed into a prime (690034463681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1581105 + ... + 1969761.

Almost surely, 2690034463481 is an apocalyptic number.

It is an amenable number.

690034463481 is a deficient number, since it is larger than the sum of its proper divisors (350412330311).

690034463481 is a wasteful number, since it uses less digits than its factorization.

690034463481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388822 (or 388811 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 690034463481 in words is "six hundred ninety billion, thirty-four million, four hundred sixty-three thousand, four hundred eighty-one".

Divisors: 1 3 11 33 67 73 121 201 219 363 737 803 2211 2409 4891 8107 8833 14673 24321 26499 53801 161403 388657 591811 1165971 1775433 4275227 12825681 26040019 28371961 47027497 78120057 85115883 141082491 286440209 312091571 859320627 936274713 1900921387 3150842299 3433007281 5702764161 9452526897 10299021843 20910135257 62730405771 230011487827 690034463481