Search a number
-
+
57408024180 = 22351373600031
BaseRepresentation
bin110101011101110010…
…001110111001110100
312111011212022210100210
4311131302032321310
51420032423233210
642212313105420
74101424103613
oct653562167164
9174155283323
1057408024180
112238a373291
12b1619b8270
13554b7666a0
142ac853d87a
15175ee09e20
hexd5dc8ee74

57408024180 has 48 divisors (see below), whose sum is σ = 173107275264. Its totient is φ = 14131205760.

The previous prime is 57408024143. The next prime is 57408024203. The reversal of 57408024180 is 8142080475.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 36799236 + ... + 36800795.

It is an arithmetic number, because the mean of its divisors is an integer number (3606401568).

Almost surely, 257408024180 is an apocalyptic number.

It is an amenable number.

57408024180 is an abundant number, since it is smaller than the sum of its proper divisors (115699251084).

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

57408024180 is a wasteful number, since it uses less digits than its factorization.

57408024180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73600056 (or 73600054 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 39.

The spelling of 57408024180 in words is "fifty-seven billion, four hundred eight million, twenty-four thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 73600031 147200062 220800093 294400124 368000155 441600186 736000310 883200372 956800403 1104000465 1472000620 1913600806 2208000930 2870401209 3827201612 4416001860 4784002015 5740802418 9568004030 11481604836 14352006045 19136008060 28704012090 57408024180