Search a number
-
+
63366444380 = 22519190787443
BaseRepresentation
bin111011000000111011…
…110011010101011100
320001120010010220021102
4323000323303111130
52014233302210010
645035442452232
74402164614231
oct730073632534
9201503126242
1063366444380
11249677845a8
1210345364078
135c8b034805
1430d1a07788
1519ad07cba5
hexec0ef355c

63366444380 has 48 divisors (see below), whose sum is σ = 140148247680. Its totient is φ = 23999681088.

The previous prime is 63366444347. The next prime is 63366444397. The reversal of 63366444380 is 8344466336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 680939 + ... + 768381.

It is an arithmetic number, because the mean of its divisors is an integer number (2919755160).

Almost surely, 263366444380 is an apocalyptic number.

It is an amenable number.

63366444380 is an abundant number, since it is smaller than the sum of its proper divisors (76781803300).

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

63366444380 is a wasteful number, since it uses less digits than its factorization.

63366444380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89378 (or 89376 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 47.

The spelling of 63366444380 in words is "sixty-three billion, three hundred sixty-six million, four hundred forty-four thousand, three hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 1907 3814 7628 9535 19070 36233 38140 72466 87443 144932 174886 181165 349772 362330 437215 724660 874430 1661417 1748860 3322834 6645668 8307085 16614170 33228340 166753801 333507602 667015204 833769005 1667538010 3168322219 3335076020 6336644438 12673288876 15841611095 31683222190 63366444380