Search a number
-
+
151214025240 = 23325420038959
BaseRepresentation
bin1000110011010100001…
…1101110101000011000
3112110022100212101102100
42030311003232220120
54434141242301430
6153244453203400
713632140002305
oct2146503565030
9473270771370
10151214025240
11591474142a3
1225381330560
131134ac446a5
147466ad20ac
153e0048a960
hex23350eea18

151214025240 has 48 divisors (see below), whose sum is σ = 491445583200. Its totient is φ = 40323739968.

The previous prime is 151214025229. The next prime is 151214025241. The reversal of 151214025240 is 42520412151.

It is a happy number.

151214025240 is a `hidden beast` number, since 1 + 5 + 12 + 1 + 402 + 5 + 240 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151214025241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210019120 + ... + 210019839.

It is an arithmetic number, because the mean of its divisors is an integer number (10238449650).

Almost surely, 2151214025240 is an apocalyptic number.

151214025240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151214025240 is an abundant number, since it is smaller than the sum of its proper divisors (340231557960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151214025240 is a wasteful number, since it uses less digits than its factorization.

151214025240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420038976 (or 420038969 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 151214025240 its reverse (42520412151), we get a palindrome (193734437391).

The spelling of 151214025240 in words is "one hundred fifty-one billion, two hundred fourteen million, twenty-five thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 420038959 840077918 1260116877 1680155836 2100194795 2520233754 3360311672 3780350631 4200389590 5040467508 6300584385 7560701262 8400779180 10080935016 12601168770 15121402524 16801558360 18901753155 25202337540 30242805048 37803506310 50404675080 75607012620 151214025240