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80848334740 = 22571208727281
BaseRepresentation
bin100101101001011101…
…1111010111110010100
321201200110101221111011
41023102323322332110
52311034133202430
6101050300222004
75561332335505
oct1132273727624
9251613357434
1080848334740
1131318860578
1213803b3a904
137815b0c134
143cad6c6bac
152182be222a
hex12d2efaf94

80848334740 has 48 divisors (see below), whose sum is σ = 172261603584. Its totient is φ = 31867404800.

The previous prime is 80848334729. The next prime is 80848334741. The reversal of 80848334740 is 4743384808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80848334741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2949900 + ... + 2977180.

It is an arithmetic number, because the mean of its divisors is an integer number (3588783408).

Almost surely, 280848334740 is an apocalyptic number.

It is an amenable number.

80848334740 is an abundant number, since it is smaller than the sum of its proper divisors (91413268844).

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

80848334740 is a wasteful number, since it uses less digits than its factorization.

80848334740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29448 (or 29446 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 49.

The spelling of 80848334740 in words is "eighty billion, eight hundred forty-eight million, three hundred thirty-four thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 2087 4174 8348 10435 20870 27281 41740 54562 109124 136405 148177 272810 296354 545620 592708 740885 1481770 1936951 2963540 3873902 7747804 9684755 19369510 38739020 56935447 113870894 227741788 284677235 569354470 1138708940 4042416737 8084833474 16169666948 20212083685 40424167370 80848334740