Search a number
-
+
49371359640 = 23352767148691
BaseRepresentation
bin101101111110110000…
…110010100110011000
311201102202220221011120
4231332300302212120
51302103032002030
634403023325240
73365316430011
oct557660624630
9151382827146
1049371359640
1119a35933269
12969a450820
13486a756c95
142565050008
15143e5bb010
hexb7ec32998

49371359640 has 64 divisors (see below), whose sum is σ = 148168604160. Its totient is φ = 13160849280.

The previous prime is 49371359621. The next prime is 49371359677. The reversal of 49371359640 is 4695317394.

It is a congruent number.

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, 257695 + ... + 406385.

It is an arithmetic number, because the mean of its divisors is an integer number (2315134440).

Almost surely, 249371359640 is an apocalyptic number.

49371359640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49371359640 is an abundant number, since it is smaller than the sum of its proper divisors (98797244520).

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

49371359640 is a wasteful number, since it uses less digits than its factorization.

49371359640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151472 (or 151468 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 51.

The spelling of 49371359640 in words is "forty-nine billion, three hundred seventy-one million, three hundred fifty-nine thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 2767 5534 8301 11068 13835 16602 22136 27670 33204 41505 55340 66408 83010 110680 148691 166020 297382 332040 446073 594764 743455 892146 1189528 1486910 1784292 2230365 2973820 3568584 4460730 5947640 8921460 17842920 411427997 822855994 1234283991 1645711988 2057139985 2468567982 3291423976 4114279970 4937135964 6171419955 8228559940 9874271928 12342839910 16457119880 24685679820 49371359640