Search a number
-
+
381003886860 = 223526712377411
BaseRepresentation
bin1011000101101011001…
…10011111000100001100
31100102102211000211121220
411202311212133010030
522220243443334420
6451010351323340
736345426413652
oct5426546370414
91312384024556
10381003886860
11137645841443
1261a11520550
1329c0bc31acc
141462535add2
159d9dd7a840
hex58b599f10c

381003886860 has 48 divisors (see below), whose sum is σ = 1067210737152. Its totient is φ = 101562955200.

The previous prime is 381003886849. The next prime is 381003886883. The reversal of 381003886860 is 68688300183.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1028446 + ... + 1348965.

It is an arithmetic number, because the mean of its divisors is an integer number (22233557024).

Almost surely, 2381003886860 is an apocalyptic number.

381003886860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

381003886860 is an abundant number, since it is smaller than the sum of its proper divisors (686206850292).

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

381003886860 is a wasteful number, since it uses less digits than its factorization.

381003886860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380094 (or 2380092 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 381003886860 in words is "three hundred eighty-one billion, three million, eight hundred eighty-six thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2671 5342 8013 10684 13355 16026 26710 32052 40065 53420 80130 160260 2377411 4754822 7132233 9509644 11887055 14264466 23774110 28528932 35661165 47548220 71322330 142644660 6350064781 12700129562 19050194343 25400259124 31750323905 38100388686 63500647810 76200777372 95250971715 127001295620 190501943430 381003886860