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195852588428 = 22729419575651
BaseRepresentation
bin1011011001100110111…
…0010101010110001100
3200201112022012100101102
42312121232111112030
511202101230312203
6225550132402232
720102260351040
oct2663156252614
9621468170342
10195852588428
1176073753532
1231b5a776378
1315612cc6aa3
14969d358020
1551642d1888
hex2d99b9558c

195852588428 has 48 divisors (see below), whose sum is σ = 406180051200. Its totient is φ = 80848891200.

The previous prime is 195852588419. The next prime is 195852588493. The reversal of 195852588428 is 824885258591.

It is a super-2 number, since 2×1958525884282 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

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, 52403 + ... + 628053.

It is an arithmetic number, because the mean of its divisors is an integer number (8462084400).

Almost surely, 2195852588428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195852588428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203090025600).

195852588428 is an abundant number, since it is smaller than the sum of its proper divisors (210327462772).

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

195852588428 is a wasteful number, since it uses less digits than its factorization.

195852588428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576110 (or 576108 counting only the distinct ones).

The product of its digits is 73728000, while the sum is 65.

The spelling of 195852588428 in words is "one hundred ninety-five billion, eight hundred fifty-two million, five hundred eighty-eight thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 419 812 838 1676 2933 5866 11732 12151 24302 48604 85057 170114 340228 575651 1151302 2302604 4029557 8059114 16118228 16693879 33387758 66775516 116857153 233714306 241197769 467428612 482395538 964791076 1688384383 3376768766 6753537532 6994735301 13989470602 27978941204 48963147107 97926294214 195852588428