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190219023001 = 727174146143
BaseRepresentation
bin1011000100100111101…
…1111111001010011001
3200011222200122120110001
42301021323333022121
511104032032214001
6223215125453001
716512543006040
oct2611173771231
9604880576401
10190219023001
1173742752437
1230a47b71161
1314c25b19817
1492c7093557
154e3492c001
hex2c49eff299

190219023001 has 4 divisors (see below), whose sum is σ = 217393169152. Its totient is φ = 163044876852.

The previous prime is 190219022989. The next prime is 190219023017. The reversal of 190219023001 is 100320912091.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100320912091 = 175901230123.

It is a cyclic number.

It is not a de Polignac number, because 190219023001 - 29 = 190219022489 is a prime.

It is a super-2 number, since 2×1902190230012 (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 (190219023091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13587073065 + ... + 13587073078.

It is an arithmetic number, because the mean of its divisors is an integer number (54348292288).

Almost surely, 2190219023001 is an apocalyptic number.

It is an amenable number.

190219023001 is a deficient number, since it is larger than the sum of its proper divisors (27174146151).

190219023001 is an equidigital number, since it uses as much as digits as its factorization.

190219023001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27174146150.

The product of its (nonzero) digits is 972, while the sum is 28.

Adding to 190219023001 its reverse (100320912091), we get a palindrome (290539935092).

The spelling of 190219023001 in words is "one hundred ninety billion, two hundred nineteen million, twenty-three thousand, one".

Divisors: 1 7 27174146143 190219023001