Search a number
-
+
398935153051 = 421194736441
BaseRepresentation
bin1011100111000100110…
…00110101100110011011
31102010201110212112120221
411303202120311212123
523014004344344201
6503133540500511
740551661564651
oct5634230654633
91363643775527
10398935153051
111442075480a6
12653966aa737
132b808b47ca6
14154469b4dd1
15a59d1a84a1
hex5ce263599b

398935153051 has 4 divisors (see below), whose sum is σ = 399029893704. Its totient is φ = 398840412400.

The previous prime is 398935152953. The next prime is 398935153061. The reversal of 398935153051 is 150351539893.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-398935153051 is a prime.

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 398935153051.

It is not an unprimeable number, because it can be changed into a prime (398935153061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47364010 + ... + 47372431.

It is an arithmetic number, because the mean of its divisors is an integer number (99757473426).

Almost surely, 2398935153051 is an apocalyptic number.

398935153051 is a deficient number, since it is larger than the sum of its proper divisors (94740653).

398935153051 is an equidigital number, since it uses as much as digits as its factorization.

398935153051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94740652.

The product of its (nonzero) digits is 2187000, while the sum is 52.

The spelling of 398935153051 in words is "three hundred ninety-eight billion, nine hundred thirty-five million, one hundred fifty-three thousand, fifty-one".

Divisors: 1 4211 94736441 398935153051