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154342230520 = 23529133053647
BaseRepresentation
bin1000111110111110000…
…0111000100111111000
3112202101101010200100011
42033233200320213320
510012043102334040
6154523121351304
714102513212312
oct2175740704770
9482341120304
10154342230520
115a502190215
1225ab4a98534
131172906682a
14768234c7b2
154034e063ea
hex23ef8389f8

154342230520 has 32 divisors (see below), whose sum is σ = 359244849600. Its totient is φ = 59608033408.

The previous prime is 154342230517. The next prime is 154342230533. The reversal of 154342230520 is 25032243451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66525664 + ... + 66527983.

It is an arithmetic number, because the mean of its divisors is an integer number (11226401550).

Almost surely, 2154342230520 is an apocalyptic number.

154342230520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154342230520 is an abundant number, since it is smaller than the sum of its proper divisors (204902619080).

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

154342230520 is a wasteful number, since it uses less digits than its factorization.

154342230520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133053687 (or 133053683 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 154342230520 its reverse (25032243451), we get a palindrome (179374473971).

The spelling of 154342230520 in words is "one hundred fifty-four billion, three hundred forty-two million, two hundred thirty thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 232 290 580 1160 133053647 266107294 532214588 665268235 1064429176 1330536470 2661072940 3858555763 5322145880 7717111526 15434223052 19292778815 30868446104 38585557630 77171115260 154342230520