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245154000331 = 1151212992181
BaseRepresentation
bin1110010001010001010…
…0010010110111001011
3212102210012111120022001
43210110110102313023
513004033411002311
6304342221011431
723466100422562
oct3442424226713
9772705446261
10245154000331
1194a73050a49
123b6196b3b77
131a16c0ccc76
14bc18d9abd9
15659c6824c1
hex3914512dcb

245154000331 has 4 divisors (see below), whose sum is σ = 245366993664. Its totient is φ = 244941007000.

The previous prime is 245154000319. The next prime is 245154000361. The reversal of 245154000331 is 133000451542.

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

It is a cyclic number.

It is not a de Polignac number, because 245154000331 - 215 = 245153967563 is a prime.

It is a super-2 number, since 2×2451540003312 (a number of 24 digits) contains 22 as substring.

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 245154000331.

It is not an unprimeable number, because it can be changed into a prime (245154000361) 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, 106494940 + ... + 106497241.

It is an arithmetic number, because the mean of its divisors is an integer number (61341748416).

Almost surely, 2245154000331 is an apocalyptic number.

245154000331 is a deficient number, since it is larger than the sum of its proper divisors (212993333).

245154000331 is a wasteful number, since it uses less digits than its factorization.

245154000331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212993332.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 245154000331 its reverse (133000451542), we get a palindrome (378154451873).

The spelling of 245154000331 in words is "two hundred forty-five billion, one hundred fifty-four million, three hundred thirty-one", and thus it is an aban number.

Divisors: 1 1151 212992181 245154000331