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30231145412144 = 243779646406633
BaseRepresentation
bin1101101111110101111001…
…01011101111011000110000
310222001001212111120022102122
412313322330223233120300
512430301341211142034
6144143555123333412
76240061652104115
oct667727453573060
9128031774508378
1030231145412144
1196a5a58508396
123482bb9521268
1313b3a28214281
147672a3a7690c
153765ac6cd62e
hex1b7ebcaef630

30231145412144 has 40 divisors (see below), whose sum is σ = 60917361188160. Its totient is φ = 14520878581248.

The previous prime is 30231145412119. The next prime is 30231145412147. The reversal of 30231145412144 is 44121454113203.

It is not an unprimeable number, because it can be changed into a prime (30231145412147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323156549 + ... + 323250084.

It is an arithmetic number, because the mean of its divisors is an integer number (1522934029704).

Almost surely, 230231145412144 is an apocalyptic number.

It is an amenable number.

30231145412144 is an abundant number, since it is smaller than the sum of its proper divisors (30686215776016).

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

30231145412144 is a wasteful number, since it uses less digits than its factorization.

30231145412144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646406757 (or 646406751 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 30231145412144 its reverse (44121454113203), we get a palindrome (74352599525347).

The spelling of 30231145412144 in words is "thirty trillion, two hundred thirty-one billion, one hundred forty-five million, four hundred twelve thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 37 74 79 148 158 296 316 592 632 1264 2923 5846 11692 23384 46768 646406633 1292813266 2585626532 5171253064 10342506128 23917045421 47834090842 51066124007 95668181684 102132248014 191336363368 204264496028 382672726736 408528992056 817057984112 1889446588259 3778893176518 7557786353036 15115572706072 30231145412144