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243130250144 = 2551671470451
BaseRepresentation
bin1110001001101110110…
…0010011001110100000
3212020120011110101221102
43202123230103032200
512440412321001034
6303405325013532
723364665012345
oct3423354231640
9766504411842
10243130250144
1194124762531
123b1539b42a8
1319c08a5b552
14baa62bc7cc
1564ceb7c97e
hex389bb133a0

243130250144 has 24 divisors (see below), whose sum is σ = 478755643968. Its totient is φ = 121541515200.

The previous prime is 243130250131. The next prime is 243130250147. The reversal of 243130250144 is 441052031342.

It is a super-2 number, since 2×2431302501442 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243130250147) 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, 569882 + ... + 900569.

It is an arithmetic number, because the mean of its divisors is an integer number (19948151832).

Almost surely, 2243130250144 is an apocalyptic number.

It is an amenable number.

243130250144 is a deficient number, since it is larger than the sum of its proper divisors (235625393824).

243130250144 is a wasteful number, since it uses less digits than its factorization.

243130250144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475628 (or 1475620 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 243130250144 its reverse (441052031342), we get a palindrome (684182281486).

The spelling of 243130250144 in words is "two hundred forty-three billion, one hundred thirty million, two hundred fifty thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 5167 10334 20668 41336 82672 165344 1470451 2940902 5881804 11763608 23527216 47054432 7597820317 15195640634 30391281268 60782562536 121565125072 243130250144