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190955677269 = 379093127489
BaseRepresentation
bin1011000111010111011…
…0000110011001010101
3200020220000210111010110
42301311312012121111
511112034123133034
6223420202513233
716540026322110
oct2616566063125
9606800714113
10190955677269
1173a90557715
1231012805819
1315012620916
149356c4d577
154e7943ede9
hex2c75d86655

190955677269 has 8 divisors (see below), whose sum is σ = 290980079680. Its totient is φ = 109117529856.

The previous prime is 190955677193. The next prime is 190955677321. The reversal of 190955677269 is 962776559091.

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

It is not a de Polignac number, because 190955677269 - 29 = 190955676757 is a prime.

It is a super-2 number, since 2×1909556772692 (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 (190955677469) 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, 4546563724 + ... + 4546563765.

It is an arithmetic number, because the mean of its divisors is an integer number (36372509960).

Almost surely, 2190955677269 is an apocalyptic number.

It is an amenable number.

190955677269 is a deficient number, since it is larger than the sum of its proper divisors (100024402411).

190955677269 is an equidigital number, since it uses as much as digits as its factorization.

190955677269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9093127499.

The product of its (nonzero) digits is 64297800, while the sum is 66.

The spelling of 190955677269 in words is "one hundred ninety billion, nine hundred fifty-five million, six hundred seventy-seven thousand, two hundred sixty-nine".

Divisors: 1 3 7 21 9093127489 27279382467 63651892423 190955677269