Search a number
-
+
190020634346 = 2421225677713
BaseRepresentation
bin1011000011111000011…
…1001100011011101010
3200011110212100101101002
42300332013030123222
511103130240244341
6223143321355002
716504613512334
oct2607607143352
9604425311332
10190020634346
1173650770074
12309b1638a62
1314bc39a7a9a
1492a89b0454
154e222e029b
hex2c3e1cc6ea

190020634346 has 8 divisors (see below), whose sum is σ = 285707985924. Its totient is φ = 94784639040.

The previous prime is 190020634337. The next prime is 190020634351. The reversal of 190020634346 is 643436020091.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 168049983721 + 21970650625 = 409939^2 + 148225^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1900206343462 (a number of 23 digits) contains 22 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, 112838015 + ... + 112839698.

Almost surely, 2190020634346 is an apocalyptic number.

190020634346 is a deficient number, since it is larger than the sum of its proper divisors (95687351578).

190020634346 is a wasteful number, since it uses less digits than its factorization.

190020634346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225678136.

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 190020634346 in words is "one hundred ninety billion, twenty million, six hundred thirty-four thousand, three hundred forty-six".

Divisors: 1 2 421 842 225677713 451355426 95010317173 190020634346