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193945143702 = 2353896852701
BaseRepresentation
bin1011010010100000001…
…0000000100110010110
3200112121101000010010110
42310220002000212112
511134144424044302
6225032553303450
720004066343512
oct2645002004626
9615541003113
10193945143702
1175284a83032
1231707a04b86
131539aa8777b
14955bcb3142
1550a1b02b6c
hex2d28080996

193945143702 has 32 divisors (see below), whose sum is σ = 399649580640. Its totient is φ = 62715910400.

The previous prime is 193945143631. The next prime is 193945143731. The reversal of 193945143702 is 207341549391.

It is a super-2 number, since 2×1939451437022 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3398049 + ... + 3454652.

It is an arithmetic number, because the mean of its divisors is an integer number (12489049395).

Almost surely, 2193945143702 is an apocalyptic number.

193945143702 is an abundant number, since it is smaller than the sum of its proper divisors (205704436938).

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

193945143702 is a wasteful number, since it uses less digits than its factorization.

193945143702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6852848.

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 193945143702 in words is "one hundred ninety-three billion, nine hundred forty-five million, one hundred forty-three thousand, seven hundred two".

Divisors: 1 2 3 6 53 89 106 159 178 267 318 534 4717 9434 14151 28302 6852701 13705402 20558103 41116206 363193153 609890389 726386306 1089579459 1219780778 1829671167 2179158918 3659342334 32324190617 64648381234 96972571851 193945143702