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386933746465420 = 225711673750084769
BaseRepresentation
bin101011111111010100000100…
…0100000100111101010001100
31212202000111122002001022101021
41113332220020200213222030
5401204010303043343140
63450534524215123524
7144334016642251660
oct12776501040475214
91782014562038337
10386933746465420
1110231a7535a0850
12374924289735a4
13137b990768a24b
146b7999c4048a0
152eb007c229b4a
hex15fea08827a8c

386933746465420 has 96 divisors (see below), whose sum is σ = 1028183241899520. Its totient is φ = 118802685450240.

The previous prime is 386933746465381. The next prime is 386933746465433. The reversal of 386933746465420 is 24564647339683.

It is a Harshad number since it is a multiple of its sum of digits (70).

It is a self number, because there is not a number n which added to its sum of digits gives 386933746465420.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1874939205 + ... + 1875145564.

It is an arithmetic number, because the mean of its divisors is an integer number (10710242103120).

Almost surely, 2386933746465420 is an apocalyptic number.

It is an amenable number.

386933746465420 is an abundant number, since it is smaller than the sum of its proper divisors (641249495434100).

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

386933746465420 is a wasteful number, since it uses less digits than its factorization.

386933746465420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3750084863 (or 3750084861 counting only the distinct ones).

The product of its (nonzero) digits is 1881169920, while the sum is 70.

The spelling of 386933746465420 in words is "three hundred eighty-six trillion, nine hundred thirty-three billion, seven hundred forty-six million, four hundred sixty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 67 70 77 110 134 140 154 220 268 308 335 385 469 670 737 770 938 1340 1474 1540 1876 2345 2948 3685 4690 5159 7370 9380 10318 14740 20636 25795 51590 103180 3750084769 7500169538 15000339076 18750423845 26250593383 37500847690 41250932459 52501186766 75001695380 82501864918 105002373532 131252966915 165003729836 206254662295 251255679523 262505933830 288756527213 412509324590 502511359046 525011867660 577513054426 825018649180 1005022718092 1155026108852 1256278397615 1443782636065 1758789756661 2512556795230 2763812474753 2887565272130 3517579513322 5025113590460 5527624949506 5775130544260 7035159026644 8793948783305 11055249899012 13819062373765 17587897566610 19346687323271 27638124747530 35175795133220 38693374646542 55276249495060 77386749293084 96733436616355 193466873232710 386933746465420