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190211761069 = 1179218885801
BaseRepresentation
bin1011000100100110000…
…0010010001110101101
3200011222011222121221121
42301021200102032231
511104023202323234
6223214310100541
716512424202161
oct2611140221655
9604864877847
10190211761069
1173739642440
1230a4564a751
1314c24476315
1492c6122ca1
154e33e954b4
hex2c498123ad

190211761069 has 8 divisors (see below), whose sum is σ = 210130369920. Its totient is φ = 170730924000.

The previous prime is 190211761067. The next prime is 190211761079. The reversal of 190211761069 is 960167112091.

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 190211761069 - 21 = 190211761067 is a prime.

It is a super-2 number, since 2×1902117610692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190211761067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109442032 + ... + 109443769.

It is an arithmetic number, because the mean of its divisors is an integer number (26266296240).

Almost surely, 2190211761069 is an apocalyptic number.

It is an amenable number.

190211761069 is a deficient number, since it is larger than the sum of its proper divisors (19918608851).

190211761069 is a wasteful number, since it uses less digits than its factorization.

190211761069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218885891.

The product of its (nonzero) digits is 40824, while the sum is 43.

The spelling of 190211761069 in words is "one hundred ninety billion, two hundred eleven million, seven hundred sixty-one thousand, sixty-nine".

Divisors: 1 11 79 869 218885801 2407743811 17291978279 190211761069