Search a number
-
+
193007855168 = 263832178697
BaseRepresentation
bin1011001111000000101…
…0100010011001000000
3200110012001022220222022
42303300022202121000
511130240002331133
6224355552101012
716641625462052
oct2636012423100
9613161286868
10193007855168
11749439a2307
12314a5b34768
131527b83677b
1494ad60b8d2
1550496ac998
hex2cf02a2640

193007855168 has 28 divisors (see below), whose sum is σ = 383014824012. Its totient is φ = 96500183040.

The previous prime is 193007855143. The next prime is 193007855197. The reversal of 193007855168 is 861558700391.

It can be written as a sum of positive squares in 2 ways, for example, as 51998593024 + 141009262144 = 228032^2 + 375512^2 .

It is a super-3 number, since 3×1930078551683 (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2413196 + ... + 2491892.

Almost surely, 2193007855168 is an apocalyptic number.

It is an amenable number.

193007855168 is a deficient number, since it is larger than the sum of its proper divisors (190006968844).

193007855168 is an equidigital number, since it uses as much as digits as its factorization.

193007855168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117030 (or 117020 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 53.

The spelling of 193007855168 in words is "one hundred ninety-three billion, seven million, eight hundred fifty-five thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 16 32 64 38321 76642 78697 153284 157394 306568 314788 613136 629576 1226272 1259152 2452544 2518304 5036608 3015747737 6031495474 12062990948 24125981896 48251963792 96503927584 193007855168