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146112730649 = 682721402187
BaseRepresentation
bin1000100000010011111…
…1110101011000011001
3111222010211212202210122
42020010333311120121
54343214324340044
6151042342523025
713361544501314
oct2100477653031
9458124782718
10146112730649
1156a69911156
1224398a36475
1310a1710ac92
1471013c397b
153c026c5dee
hex2204ff5619

146112730649 has 4 divisors (see below), whose sum is σ = 146134139664. Its totient is φ = 146091321636.

The previous prime is 146112730633. The next prime is 146112730663. The reversal of 146112730649 is 946037211641.

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 not a de Polignac number, because 146112730649 - 24 = 146112730633 is a prime.

It is a super-2 number, since 2×1461127306492 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146112730549) 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, 10694267 + ... + 10707920.

It is an arithmetic number, because the mean of its divisors is an integer number (36533534916).

Almost surely, 2146112730649 is an apocalyptic number.

It is an amenable number.

146112730649 is a deficient number, since it is larger than the sum of its proper divisors (21409015).

146112730649 is an equidigital number, since it uses as much as digits as its factorization.

146112730649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21409014.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 146112730649 in words is "one hundred forty-six billion, one hundred twelve million, seven hundred thirty thousand, six hundred forty-nine".

Divisors: 1 6827 21402187 146112730649