Search a number
-
+
1711620157105 = 53144491248201
BaseRepresentation
bin11000111010000100100…
…000101110111010110001
320001121222202021222002001
4120322010200232322301
5211020344230011410
63350150224054001
7234442354166425
oct30720440567261
96047882258061
101711620157105
115aa991a58611
12237882164301
13c5535c95791
145cbb2b30b85
152e7caa5d33a
hex18e8482eeb1

1711620157105 has 16 divisors (see below), whose sum is σ = 2120256649728. Its totient is φ = 1325090160000.

The previous prime is 1711620157081. The next prime is 1711620157127. The reversal of 1711620157105 is 5017510261171.

It is a happy number.

It is not a de Polignac number, because 1711620157105 - 213 = 1711620148913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6772005 + ... + 7020205.

It is an arithmetic number, because the mean of its divisors is an integer number (132516040608).

Almost surely, 21711620157105 is an apocalyptic number.

It is an amenable number.

1711620157105 is a deficient number, since it is larger than the sum of its proper divisors (408636492623).

1711620157105 is a wasteful number, since it uses less digits than its factorization.

1711620157105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292728.

The product of its (nonzero) digits is 14700, while the sum is 37.

The spelling of 1711620157105 in words is "one trillion, seven hundred eleven billion, six hundred twenty million, one hundred fifty-seven thousand, one hundred five".

Divisors: 1 5 31 155 44491 222455 248201 1241005 1379221 6896105 7694231 38471155 11042710691 55213553455 342324031421 1711620157105