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194423096157 = 371912784489
BaseRepresentation
bin1011010100010010000…
…1010000001101011101
3200120211200100121122020
42311010201100031131
511141134303034112
6225152225410353
720021662023063
oct2650441201535
9616750317566
10194423096157
11754aa850864
123181ba999b9
1315445ac0484
1495a556a033
1550cda6348c
hex2d4485035d

194423096157 has 8 divisors (see below), whose sum is σ = 262881933120. Its totient is φ = 127789828320.

The previous prime is 194423096143. The next prime is 194423096209. The reversal of 194423096157 is 751690324491.

It is a happy number.

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

It is not a de Polignac number, because 194423096157 - 24 = 194423096141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194423096107) 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, 456392032 + ... + 456392457.

It is an arithmetic number, because the mean of its divisors is an integer number (32860241640).

Almost surely, 2194423096157 is an apocalyptic number.

It is an amenable number.

194423096157 is a deficient number, since it is larger than the sum of its proper divisors (68458836963).

194423096157 is an equidigital number, since it uses as much as digits as its factorization.

194423096157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912784563.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 194423096157 in words is "one hundred ninety-four billion, four hundred twenty-three million, ninety-six thousand, one hundred fifty-seven".

Divisors: 1 3 71 213 912784489 2738353467 64807698719 194423096157