Search a number
-
+
38227078153 = 1129453117991
BaseRepresentation
bin100011100110100000…
…101110110000001001
310122200002222202221101
4203212200232300021
51111242113000103
625321122541401
72522205542305
oct434640566011
9118602882841
1038227078153
1115237209680
1274aa207861
1337b2983594
141bc8d42d05
15edb02ba1d
hex8e682ec09

38227078153 has 8 divisors (see below), whose sum is σ = 41704036416. Its totient is φ = 34750414800.

The previous prime is 38227078147. The next prime is 38227078157. The reversal of 38227078153 is 35187072283.

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 38227078153 - 29 = 38227077641 is a prime.

It is a super-2 number, since 2×382270781532 (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 (38227078157) 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, 264988 + ... + 382978.

It is an arithmetic number, because the mean of its divisors is an integer number (5213004552).

Almost surely, 238227078153 is an apocalyptic number.

It is an amenable number.

38227078153 is a deficient number, since it is larger than the sum of its proper divisors (3476958263).

38227078153 is a wasteful number, since it uses less digits than its factorization.

38227078153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147455.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 38227078153 in words is "thirty-eight billion, two hundred twenty-seven million, seventy-eight thousand, one hundred fifty-three".

Divisors: 1 11 29453 117991 323983 1297901 3475188923 38227078153