Search a number
-
+
528012946945 = 51112317798729
BaseRepresentation
bin1111010111100000000…
…01100010111000000001
31212110220010111212021001
413223300001202320001
532122332303300240
61042322113532001
753101436665531
oct7536001427001
91773803455231
10528012946945
11193a245a8120
12863ba574001
133aa3994c823
141b7ad7c34c1
15db050a589a
hex7af0062e01

528012946945 has 16 divisors (see below), whose sum is σ = 691778545920. Its totient is φ = 383697417600.

The previous prime is 528012946943. The next prime is 528012946999. The reversal of 528012946945 is 549649210825.

It is not a de Polignac number, because 528012946945 - 21 = 528012946943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is not an unprimeable number, because it can be changed into a prime (528012946943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3831660 + ... + 3967069.

It is an arithmetic number, because the mean of its divisors is an integer number (43236159120).

Almost surely, 2528012946945 is an apocalyptic number.

528012946945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

528012946945 is a deficient number, since it is larger than the sum of its proper divisors (163765598975).

528012946945 is a wasteful number, since it uses less digits than its factorization.

528012946945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7799976.

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 528012946945 in words is "five hundred twenty-eight billion, twelve million, nine hundred forty-six thousand, nine hundred forty-five".

Divisors: 1 5 11 55 1231 6155 13541 67705 7798729 38993645 85786019 428930095 9600235399 48001176995 105602589389 528012946945