Search a number
-
+
4775115646540 = 225238755782327
BaseRepresentation
bin100010101111100101100…
…0100100110011001001100
3121220111102000112022100001
41011133023010212121030
51111213414101142130
614053354032214044
71001663550203521
oct105371304463114
917814360468301
104775115646540
11158112a328298
1265154869a324
132883a34a00b5
1412718c823148
15843298206ca
hex457cb12664c

4775115646540 has 12 divisors (see below), whose sum is σ = 10027742857776. Its totient is φ = 1910046258608.

The previous prime is 4775115646517. The next prime is 4775115646547. The reversal of 4775115646540 is 456465115774.

It is a super-2 number, since 2×47751156465402 (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4775115646547) 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, 119377891144 + ... + 119377891183.

It is an arithmetic number, because the mean of its divisors is an integer number (835645238148).

Almost surely, 24775115646540 is an apocalyptic number.

It is an amenable number.

4775115646540 is an abundant number, since it is smaller than the sum of its proper divisors (5252627211236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4775115646540 is a wasteful number, since it uses less digits than its factorization.

4775115646540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238755782336 (or 238755782334 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 55.

The spelling of 4775115646540 in words is "four trillion, seven hundred seventy-five billion, one hundred fifteen million, six hundred forty-six thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 238755782327 477511564654 955023129308 1193778911635 2387557823270 4775115646540