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728630234148 = 223193195746641
BaseRepresentation
bin10101001101001011011…
…11110000110000100100
32120122201111022222121110
422212211233300300210
543414213314443043
61314421134345020
7103433064541635
oct12464557606044
92518644288543
10728630234148
11261012854333
12b926895b170
135392bb0acab
14273a186b88c
1513e4780eb33
hexa9a5bf0c24

728630234148 has 24 divisors (see below), whose sum is σ = 1789618119520. Its totient is φ = 230093758080.

The previous prime is 728630234113. The next prime is 728630234149. The reversal of 728630234148 is 841432036827.

It is a super-2 number, since 2×7286302341482 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 728630234097 and 728630234106.

It is not an unprimeable number, because it can be changed into a prime (728630234149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1597873093 + ... + 1597873548.

Almost surely, 2728630234148 is an apocalyptic number.

It is an amenable number.

728630234148 is an abundant number, since it is smaller than the sum of its proper divisors (1060987885372).

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

728630234148 is a wasteful number, since it uses less digits than its factorization.

728630234148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195746667 (or 3195746665 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 48.

The spelling of 728630234148 in words is "seven hundred twenty-eight billion, six hundred thirty million, two hundred thirty-four thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 3195746641 6391493282 9587239923 12782986564 19174479846 38348959692 60719186179 121438372358 182157558537 242876744716 364315117074 728630234148