Search a number
-
+
3821487736980 = 2235227280579129
BaseRepresentation
bin110111100111000010011…
…010110100100010010100
3111112022221001101011011010
4313213002122310202110
51000102401330040410
612043322304412220
7543044012544444
oct67470232644224
914468831334133
103821487736980
111243758224291
12518768617070
13219498471834
14d2d64d74124
15696141c7c20
hex379c26b4894

3821487736980 has 48 divisors (see below), whose sum is σ = 10747302995520. Its totient is φ = 1014574126848.

The previous prime is 3821487736931. The next prime is 3821487736999. The reversal of 3821487736980 is 896377841283.

It is a happy number.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

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, 140275945 + ... + 140303184.

It is an arithmetic number, because the mean of its divisors is an integer number (223902145740).

Almost surely, 23821487736980 is an apocalyptic number.

3821487736980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3821487736980 is an abundant number, since it is smaller than the sum of its proper divisors (6925815258540).

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

3821487736980 is a wasteful number, since it uses less digits than its factorization.

3821487736980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280579368 (or 280579366 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 66.

The spelling of 3821487736980 in words is "three trillion, eight hundred twenty-one billion, four hundred eighty-seven million, seven hundred thirty-six thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 227 454 681 908 1135 1362 2270 2724 3405 4540 6810 13620 280579129 561158258 841737387 1122316516 1402895645 1683474774 2805791290 3366949548 4208686935 5611582580 8417373870 16834747740 63691462283 127382924566 191074386849 254765849132 318457311415 382148773698 636914622830 764297547396 955371934245 1273829245660 1910743868490 3821487736980