Search a number
-
+
51552141545 = 564715935747
BaseRepresentation
bin110000000000101111…
…110100000011101001
311221001202110010112202
4300000233310003221
51321034322012140
635403245145545
73503336654522
oct600057640351
9157052403482
1051552141545
111a954926a63
129ba885b2b5
134b274ba088
1426d0927849
15151ac8d915
hexc00bf40e9

51552141545 has 8 divisors (see below), whose sum is σ = 61958188224. Its totient is φ = 41177967664.

The previous prime is 51552141499. The next prime is 51552141611. The reversal of 51552141545 is 54514125515.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51552141545 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51552141499 and 51552141508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7964639 + ... + 7971108.

It is an arithmetic number, because the mean of its divisors is an integer number (7744773528).

Almost surely, 251552141545 is an apocalyptic number.

It is an amenable number.

51552141545 is a deficient number, since it is larger than the sum of its proper divisors (10406046679).

51552141545 is a wasteful number, since it uses less digits than its factorization.

51552141545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15936399.

The product of its digits is 100000, while the sum is 38.

The spelling of 51552141545 in words is "fifty-one billion, five hundred fifty-two million, one hundred forty-one thousand, five hundred forty-five".

Divisors: 1 5 647 3235 15935747 79678735 10310428309 51552141545