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190510220322121 = 7223122043702961
BaseRepresentation
bin101011010100010010011110…
…000000100010010101001001
3220222112121011210221200020111
4223110102132000202111021
5144432304412400301441
61513103104220354321
755061623600056220
oct5324223600422511
9828477153850214
10190510220322121
115577aa26865037
121944a1a73a59a1
13823c0627bcb0b
143508a5b22dcb7
15170591c15d081
hexad449e022549

190510220322121 has 8 divisors (see below), whose sum is σ = 218702315707904. Its totient is φ = 162562212342720.

The previous prime is 190510220322119. The next prime is 190510220322199. The reversal of 190510220322121 is 121223022015091.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 190510220322121 - 21 = 190510220322119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (190510220322101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61021849920 + ... + 61021853041.

It is an arithmetic number, because the mean of its divisors is an integer number (27337789463488).

Almost surely, 2190510220322121 is an apocalyptic number.

It is an amenable number.

190510220322121 is a deficient number, since it is larger than the sum of its proper divisors (28192095385783).

190510220322121 is a wasteful number, since it uses less digits than its factorization.

190510220322121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122043703191.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 190510220322121 in words is "one hundred ninety trillion, five hundred ten billion, two hundred twenty million, three hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 7 223 1561 122043702961 854305920727 27215745760303 190510220322121