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6145754231 = 194353141931
BaseRepresentation
bin1011011100101000…
…01100010001110111
3120212022022122220002
411232110030101313
5100041303113411
62453500501515
7305204022551
oct55624142167
916768278802
106145754231
112674133131
12123624a89b
1376c33c286
144243104d1
1525e82933b
hex16e50c477

6145754231 has 16 divisors (see below), whose sum is σ = 6744608640. Its totient is φ = 5579552160.

The previous prime is 6145754191. The next prime is 6145754233. The reversal of 6145754231 is 1324575416.

It is a de Polignac number, because none of the positive numbers 2k-6145754231 is a prime.

It is a super-2 number, since 2×61457542312 = 75540590135708802722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6145754233) 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 15 ways as a sum of consecutive naturals, for example, 27665 + ... + 114266.

It is an arithmetic number, because the mean of its divisors is an integer number (421538040).

Almost surely, 26145754231 is an apocalyptic number.

6145754231 is a deficient number, since it is larger than the sum of its proper divisors (598854409).

6145754231 is a wasteful number, since it uses less digits than its factorization.

6145754231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142046.

The product of its digits is 100800, while the sum is 38.

The square root of 6145754231 is about 78394.8609986650. The cubic root of 6145754231 is about 1831.7170851447.

The spelling of 6145754231 in words is "six billion, one hundred forty-five million, seven hundred fifty-four thousand, two hundred thirty-one".

Divisors: 1 19 43 53 817 1007 2279 43301 141931 2696689 6103033 7522343 115957627 142924517 323460749 6145754231