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307149541919 = 1127922685629
BaseRepresentation
bin1000111100000111000…
…10100001001000011111
31002100210210001101110222
410132003202201020133
520013020240320134
6353034052351555
731122311013023
oct4360342411037
91070723041428
10307149541919
111092969aaa30
124b63b9155bb
1322c6c10309c
1410c1a8a8383
157eca1b6a2e
hex47838a121f

307149541919 has 4 divisors (see below), whose sum is σ = 335072227560. Its totient is φ = 279226856280.

The previous prime is 307149541891. The next prime is 307149541967. The reversal of 307149541919 is 919145941703.

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 307149541919 - 228 = 306881106463 is a prime.

It is a super-2 number, since 2×3071495419192 (a number of 24 digits) 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 (307149541019) 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 3 ways as a sum of consecutive naturals, for example, 13961342804 + ... + 13961342825.

It is an arithmetic number, because the mean of its divisors is an integer number (83768056890).

Almost surely, 2307149541919 is an apocalyptic number.

307149541919 is a deficient number, since it is larger than the sum of its proper divisors (27922685641).

307149541919 is a wasteful number, since it uses less digits than its factorization.

307149541919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27922685640.

The product of its (nonzero) digits is 1224720, while the sum is 53.

The spelling of 307149541919 in words is "three hundred seven billion, one hundred forty-nine million, five hundred forty-one thousand, nine hundred nineteen".

Divisors: 1 11 27922685629 307149541919