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190021011202 = 2118637318691
BaseRepresentation
bin1011000011111000100…
…0101000011100000010
3200011110220001112022201
42300332020220130002
511103130334324302
6223143333423414
716504616642131
oct2607610503402
9604426045281
10190021011202
11736509a8220
12309b179ab6a
1314bc3aaa489
1492a8a6b918
154e22366c87
hex2c3e228702

190021011202 has 8 divisors (see below), whose sum is σ = 310943472912. Its totient is φ = 86373186900.

The previous prime is 190021011199. The next prime is 190021011203. The reversal of 190021011202 is 202110120091.

It is a happy number.

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

It is a super-2 number, since 2×1900210112022 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 190021011202.

It is not an unprimeable number, because it can be changed into a prime (190021011203) 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, 4318659324 + ... + 4318659367.

It is an arithmetic number, because the mean of its divisors is an integer number (38867934114).

Almost surely, 2190021011202 is an apocalyptic number.

190021011202 is a deficient number, since it is larger than the sum of its proper divisors (120922461710).

190021011202 is a wasteful number, since it uses less digits than its factorization.

190021011202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8637318704.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 190021011202 its reverse (202110120091), we get a palindrome (392131131293).

The spelling of 190021011202 in words is "one hundred ninety billion, twenty-one million, eleven thousand, two hundred two".

Divisors: 1 2 11 22 8637318691 17274637382 95010505601 190021011202