Search a number
-
+
40149154369 = 471568354469
BaseRepresentation
bin100101011001000100…
…110111101001000001
310211122001201100211101
4211121010313221001
51124211140414434
630235543414401
72620635116122
oct453104675101
9124561640741
1040149154369
1116033172a15
127945a54401
133a2ac4659c
141d2c316049
15109eb4ab14
hex959137a41

40149154369 has 8 divisors (see below), whose sum is σ = 41006759040. Its totient is φ = 39291690096.

The previous prime is 40149154351. The next prime is 40149154387. The reversal of 40149154369 is 96345194104.

It is an interprime number because it is at equal distance from previous prime (40149154351) and next prime (40149154387).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40149154369 - 211 = 40149152321 is a prime.

It is a super-2 number, since 2×401491543692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40149154349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709867 + ... + 764335.

It is an arithmetic number, because the mean of its divisors is an integer number (5125844880).

Almost surely, 240149154369 is an apocalyptic number.

It is an amenable number.

40149154369 is a deficient number, since it is larger than the sum of its proper divisors (857604671).

40149154369 is a wasteful number, since it uses less digits than its factorization.

40149154369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70199.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 40149154369 in words is "forty billion, one hundred forty-nine million, one hundred fifty-four thousand, three hundred sixty-nine".

Divisors: 1 47 15683 54469 737101 2560043 854237327 40149154369