Search a number
-
+
308954053001 = 11261137305533
BaseRepresentation
bin1000111111011110001…
…10001011100110001001
31002112110112120001022202
410133233012023212021
520030214214144001
6353533113325545
731215112056206
oct4375706134611
91075415501282
10308954053001
1110a032565900
124ba641068b5
1323198c12519
1410d4c3d6cad
15808381196b
hex47ef18b989

308954053001 has 24 divisors (see below), whose sum is σ = 347681804232. Its totient is φ = 274245523200.

The previous prime is 308954052997. The next prime is 308954053013. The reversal of 308954053001 is 100350459803.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9351083401 + 299602969600 = 96701^2 + 547360^2 .

It is not a de Polignac number, because 308954053001 - 22 = 308954052997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (308954053601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 858431 + ... + 1163963.

It is an arithmetic number, because the mean of its divisors is an integer number (14486741843).

Almost surely, 2308954053001 is an apocalyptic number.

It is an amenable number.

308954053001 is a deficient number, since it is larger than the sum of its proper divisors (38727751231).

308954053001 is a wasteful number, since it uses less digits than its factorization.

308954053001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305753 (or 305742 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 308954053001 in words is "three hundred eight billion, nine hundred fifty-four million, fifty-three thousand, one".

Divisors: 1 11 61 121 137 671 1507 7381 8357 16577 91927 305533 1011197 3360863 18637513 36969493 41858021 205012643 460438231 2255139073 2553339281 5064820541 28086732091 308954053001