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146395049231 = 791853101889
BaseRepresentation
bin1000100001010111010…
…0110010110100001111
3111222212112010001002102
42020111310302310033
54344304113033411
6151130345545315
713401543246464
oct2102564626417
9458775101072
10146395049231
11570a42092a2
12244574a523b
1310a60757ab2
14712aab366b
153c1c390d3b
hex2215d32d0f

146395049231 has 4 divisors (see below), whose sum is σ = 148248151200. Its totient is φ = 144541947264.

The previous prime is 146395049183. The next prime is 146395049257. The reversal of 146395049231 is 132940593641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 146395049231 - 210 = 146395048207 is a prime.

It is a super-2 number, since 2×1463950492312 (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 (146395049131) 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, 926550866 + ... + 926551023.

It is an arithmetic number, because the mean of its divisors is an integer number (37062037800).

Almost surely, 2146395049231 is an apocalyptic number.

146395049231 is a deficient number, since it is larger than the sum of its proper divisors (1853101969).

146395049231 is an equidigital number, since it uses as much as digits as its factorization.

146395049231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853101968.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 146395049231 in words is "one hundred forty-six billion, three hundred ninety-five million, forty-nine thousand, two hundred thirty-one".

Divisors: 1 79 1853101889 146395049231