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192946506149 = 1910155079271
BaseRepresentation
bin1011001110110010000…
…0100000100110100101
3200110000202220001221102
42303230200200212211
511130123301144044
6224345521125445
716640252145665
oct2635440404645
9613022801842
10192946506149
11749122aa941
1231489489885
131526bc06787
1494a53dc1a5
1550440e024e
hex2cec8209a5

192946506149 has 4 divisors (see below), whose sum is σ = 203101585440. Its totient is φ = 182791426860.

The previous prime is 192946506131. The next prime is 192946506161. The reversal of 192946506149 is 941605649291.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-192946506149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 192946506094 and 192946506103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192946506749) 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, 5077539617 + ... + 5077539654.

It is an arithmetic number, because the mean of its divisors is an integer number (50775396360).

Almost surely, 2192946506149 is an apocalyptic number.

192946506149 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

192946506149 is a deficient number, since it is larger than the sum of its proper divisors (10155079291).

192946506149 is a wasteful number, since it uses less digits than its factorization.

192946506149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10155079290.

The product of its (nonzero) digits is 4199040, while the sum is 56.

The spelling of 192946506149 in words is "one hundred ninety-two billion, nine hundred forty-six million, five hundred six thousand, one hundred forty-nine".

Divisors: 1 19 10155079271 192946506149