Search a number
-
+
52756277680 = 2454116084231
BaseRepresentation
bin110001001000100001…
…001110100110110000
312001011200020120210101
4301020201032212300
51331021101341210
640122542042144
73545230650511
oct611041164660
9161150216711
1052756277680
11204125a8297
12a283b79354
134c89acc072
1427a6812a08
15158b844a3a
hexc4884e9b0

52756277680 has 40 divisors (see below), whose sum is σ = 125650020384. Its totient is φ = 20587814400.

The previous prime is 52756277663. The next prime is 52756277689. The reversal of 52756277680 is 8677265725.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (52756277689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8038836 + ... + 8045395.

Almost surely, 252756277680 is an apocalyptic number.

It is an amenable number.

52756277680 is an abundant number, since it is smaller than the sum of its proper divisors (72893742704).

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

52756277680 is a wasteful number, since it uses less digits than its factorization.

52756277680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16084285 (or 16084279 counting only the distinct ones).

The product of its (nonzero) digits is 9878400, while the sum is 55.

The spelling of 52756277680 in words is "fifty-two billion, seven hundred fifty-six million, two hundred seventy-seven thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 41 80 82 164 205 328 410 656 820 1640 3280 16084231 32168462 64336924 80421155 128673848 160842310 257347696 321684620 643369240 659453471 1286738480 1318906942 2637813884 3297267355 5275627768 6594534710 10551255536 13189069420 26378138840 52756277680