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23454300011540 = 2254773341799767
BaseRepresentation
bin1010101010100111000010…
…01110000111110000010100
310002001012122111100112122012
411111103201032013300110
511033233401300332130
6121514431235323352
74640342263454366
oct525234116076024
9102035574315565
1023454300011540
117522a049a4502
122769725750558
1310119670164c8
145b12a0b74d36
152aa178100995
hex1554e1387c14

23454300011540 has 48 divisors (see below), whose sum is σ = 50991056589312. Its totient is φ = 9056326599936.

The previous prime is 23454300011533. The next prime is 23454300011567. The reversal of 23454300011540 is 4511000345432.

It is a junction number, because it is equal to n+sod(n) for n = 23454300011497 and 23454300011506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170831264 + ... + 170968503.

It is an arithmetic number, because the mean of its divisors is an integer number (1062313678944).

Almost surely, 223454300011540 is an apocalyptic number.

23454300011540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23454300011540 is an abundant number, since it is smaller than the sum of its proper divisors (27536756577772).

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

23454300011540 is a wasteful number, since it uses less digits than its factorization.

23454300011540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341799896 (or 341799894 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 23454300011540 its reverse (4511000345432), we get a palindrome (27965300356972).

The spelling of 23454300011540 in words is "twenty-three trillion, four hundred fifty-four billion, three hundred million, eleven thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 47 73 94 146 188 235 292 365 470 730 940 1460 3431 6862 13724 17155 34310 68620 341799767 683599534 1367199068 1708998835 3417997670 6835995340 16064589049 24951382991 32129178098 49902765982 64258356196 80322945245 99805531964 124756914955 160645890490 249513829910 321291780980 499027659820 1172715000577 2345430001154 4690860002308 5863575002885 11727150005770 23454300011540