Search a number
-
+
13841249780 = 2257116136043
BaseRepresentation
bin11001110010000000…
…01011010111110100
31022201121202100012202
430321000023113310
5211321324443110
610205242004032
7666666452621
oct147100132764
938647670182
1013841249780
11596302a906
1228234a6618
1313c7768237
14954391348
155602260a5
hex33900b5f4

13841249780 has 48 divisors (see below), whose sum is σ = 29499168384. Its totient is φ = 5454234240.

The previous prime is 13841249767. The next prime is 13841249801. The reversal of 13841249780 is 8794214831.

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, 2287439 + ... + 2293481.

It is an arithmetic number, because the mean of its divisors is an integer number (614566008).

Almost surely, 213841249780 is an apocalyptic number.

13841249780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13841249780 is an abundant number, since it is smaller than the sum of its proper divisors (15657918604).

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

13841249780 is a wasteful number, since it uses less digits than its factorization.

13841249780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7736 (or 7734 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 13841249780 in words is "thirteen billion, eight hundred forty-one million, two hundred forty-nine thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 1613 3226 6043 6452 8065 12086 16130 24172 30215 32260 60430 114523 120860 229046 429053 458092 572615 858106 1145230 1716212 2145265 2290460 4290530 8581060 9747359 19494718 38989436 48736795 97473590 194947180 692062489 1384124978 2768249956 3460312445 6920624890 13841249780