Search a number
-
+
199441432835 = 52315971085957
BaseRepresentation
bin1011100110111110100…
…0101100000100000011
3201001210102020112101122
42321233220230010003
511231424001322320
6231342214022455
720260226131211
oct2715750540403
9631712215348
10199441432835
1177645542447
12327a0647a2b
1315a6569c368
14991dc41cb1
1552c43dcd25
hex2e6fa2c103

199441432835 has 16 divisors (see below), whose sum is σ = 249891967296. Its totient is φ = 152520348288.

The previous prime is 199441432819. The next prime is 199441432837. The reversal of 199441432835 is 538234144991.

It is a cyclic number.

It is not a de Polignac number, because 199441432835 - 24 = 199441432819 is a prime.

It is a super-2 number, since 2×1994414328352 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199441432837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359324 + ... + 726633.

It is an arithmetic number, because the mean of its divisors is an integer number (15618247956).

Almost surely, 2199441432835 is an apocalyptic number.

199441432835 is a deficient number, since it is larger than the sum of its proper divisors (50450534461).

199441432835 is a wasteful number, since it uses less digits than its factorization.

199441432835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087582.

The product of its digits is 3732480, while the sum is 53.

The spelling of 199441432835 in words is "one hundred ninety-nine billion, four hundred forty-one million, four hundred thirty-two thousand, eight hundred thirty-five".

Divisors: 1 5 23 115 1597 7985 36731 183655 1085957 5429785 24977011 124885055 1734273329 8671366645 39888286567 199441432835