Search a number
-
+
38427021621480 = 2335967331153237
BaseRepresentation
bin10001011110010111111001…
…11110010011100011101000
312001001120212012121010110210
420233023330332103203220
520014042020013341410
6213421044030341120
711044155263324142
oct1057137476234350
9161046765533423
1038427021621480
1111275898a07868
1243874b795a7a0
13185986398277b
1496bc4085bc92
15469895a3e220
hex22f2fcf938e8

38427021621480 has 64 divisors (see below), whose sum is σ = 115400280378240. Its totient is φ = 10236608831232.

The previous prime is 38427021621451. The next prime is 38427021621491. The reversal of 38427021621480 is 8412612072483.

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, 165460579 + ... + 165692658.

It is an arithmetic number, because the mean of its divisors is an integer number (1803129380910).

Almost surely, 238427021621480 is an apocalyptic number.

38427021621480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38427021621480 is an abundant number, since it is smaller than the sum of its proper divisors (76973258756760).

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

38427021621480 is a wasteful number, since it uses less digits than its factorization.

38427021621480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331154218 (or 331154214 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The spelling of 38427021621480 in words is "thirty-eight trillion, four hundred twenty-seven billion, twenty-one million, six hundred twenty-one thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 967 1934 2901 3868 4835 5802 7736 9670 11604 14505 19340 23208 29010 38680 58020 116040 331153237 662306474 993459711 1324612948 1655766185 1986919422 2649225896 3311532370 3973838844 4967298555 6623064740 7947677688 9934597110 13246129480 19869194220 39738388440 320225180179 640450360358 960675540537 1280900720716 1601125900895 1921351081074 2561801441432 3202251801790 3842702162148 4803377702685 6404503603580 7685404324296 9606755405370 12809007207160 19213510810740 38427021621480