Search a number
-
+
57638399796 = 2233533688887
BaseRepresentation
bin110101101011100001…
…000010111100110100
312111202220211002022000
4311223201002330310
51421020412243141
642251222535300
74110222212625
oct655341027464
9174686732260
1057638399796
112249841295a
12b206b97530
1355873c7913
142b0ad8ba4c
1517752645b6
hexd6b842f34

57638399796 has 24 divisors (see below), whose sum is σ = 149432888640. Its totient is φ = 19212799896.

The previous prime is 57638399771. The next prime is 57638399803. The reversal of 57638399796 is 69799383675.

57638399796 is a `hidden beast` number, since 5 + 76 + 383 + 9 + 97 + 96 = 666.

57638399796 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266844336 + ... + 266844551.

It is an arithmetic number, because the mean of its divisors is an integer number (6226370360).

Almost surely, 257638399796 is an apocalyptic number.

It is an amenable number.

57638399796 is an abundant number, since it is smaller than the sum of its proper divisors (91794488844).

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

57638399796 is a wasteful number, since it uses less digits than its factorization.

57638399796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533688900 (or 533688892 counting only the distinct ones).

The product of its digits is 462944160, while the sum is 72.

The spelling of 57638399796 in words is "fifty-seven billion, six hundred thirty-eight million, three hundred ninety-nine thousand, seven hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 533688887 1067377774 1601066661 2134755548 3202133322 4803199983 6404266644 9606399966 14409599949 19212799932 28819199898 57638399796