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193285088164 = 227231210132
BaseRepresentation
bin1011010000000010110…
…0000110001110100100
3200110220100222211011001
42310000230012032210
511131321440310124
6224443254123044
716651533066400
oct2640054061644
9613810884131
10193285088164
1174a76436593
1231562950484
13152c40c286c
1494d8376100
155063bc0b44
hex2d00b063a4

193285088164 has 81 divisors (see below), whose sum is σ = 406977094881. Its totient is φ = 80085186720.

The previous prime is 193285088149. The next prime is 193285088197. The reversal of 193285088164 is 461880582391.

It is a happy number.

The square root of 193285088164 is 439642.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 381420900 + 192903667264 = 19530^2 + 439208^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 190804122 + ... + 190805134.

Almost surely, 2193285088164 is an apocalyptic number.

193285088164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

193285088164 is the 439642-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 193285088164

193285088164 is an abundant number, since it is smaller than the sum of its proper divisors (213692006717).

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

193285088164 is an equidigital number, since it uses as much as digits as its factorization.

193285088164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106 (or 1053 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 55.

The spelling of 193285088164 in words is "one hundred ninety-three billion, two hundred eighty-five million, eighty-eight thousand, one hundred sixty-four".

Divisors: 1 2 4 7 14 28 31 49 62 98 124 196 217 434 868 961 1013 1519 1922 2026 3038 3844 4052 6076 6727 7091 13454 14182 26908 28364 31403 47089 49637 62806 94178 99274 125612 188356 198548 219821 439642 879284 973493 1026169 1538747 1946986 2052338 3077494 3893972 4104676 6154988 6814451 7183183 13628902 14366366 27257804 28732732 31811239 47701157 50282281 63622478 95402314 100564562 127244956 190804628 201129124 222678673 445357346 890714692 986148409 1558750711 1972296818 3117501422 3944593636 6235002844 6903038863 13806077726 27612155452 48321272041 96642544082 193285088164