Search a number
-
+
198250267001 = 19109197485923
BaseRepresentation
bin1011100010100010100…
…0110000000101111001
3200221201101212001001112
42320220220300011321
511222004032021001
6231024103130105
720215553315423
oct2705050600571
9627641761045
10198250267001
117709411a976
1232509743935
131590597bbc7
149849971813
155254a49cbb
hex2e28a30179

198250267001 has 16 divisors (see below), whose sum is σ = 211668494400. Its totient is φ = 185147944128.

The previous prime is 198250266979. The next prime is 198250267063. The reversal of 198250267001 is 100762052891.

It is a de Polignac number, because none of the positive numbers 2k-198250267001 is a prime.

It is a super-4 number, since 4×1982502670014 (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 198250267001.

It is not an unprimeable number, because it can be changed into a prime (198250267091) 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, 165026 + ... + 650948.

It is an arithmetic number, because the mean of its divisors is an integer number (13229280900).

Almost surely, 2198250267001 is an apocalyptic number.

It is an amenable number.

198250267001 is a deficient number, since it is larger than the sum of its proper divisors (13418227399).

198250267001 is a wasteful number, since it uses less digits than its factorization.

198250267001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486248.

The product of its (nonzero) digits is 60480, while the sum is 41.

The spelling of 198250267001 in words is "one hundred ninety-eight billion, two hundred fifty million, two hundred sixty-seven thousand, one".

Divisors: 1 19 109 197 2071 3743 21473 407987 485923 9232537 52965607 95726831 1006346533 1818809789 10434224579 198250267001