Search a number
-
+
64162426013620 = 22511291647390971
BaseRepresentation
bin11101001011010111110101…
…00111000100011110110100
322102011212102210021121221121
432211223322213010132310
531402214122024413440
6344243451145353324
716341403505325004
oct1645537247043664
9272155383247847
1064162426013620
111949814a856870
127243136798844
1329a564c409b4c
1411bb69985c004
1576402a4ae34a
hex3a5afa9c47b4

64162426013620 has 24 divisors (see below), whose sum is σ = 146990285049888. Its totient is φ = 23331791277600.

The previous prime is 64162426013599. The next prime is 64162426013723. The reversal of 64162426013620 is 2631062426146.

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, 145823695266 + ... + 145823695705.

It is an arithmetic number, because the mean of its divisors is an integer number (6124595210412).

Almost surely, 264162426013620 is an apocalyptic number.

It is an amenable number.

64162426013620 is an abundant number, since it is smaller than the sum of its proper divisors (82827859036268).

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

64162426013620 is a wasteful number, since it uses less digits than its factorization.

64162426013620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291647390991 (or 291647390989 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 43.

Adding to 64162426013620 its reverse (2631062426146), we get a palindrome (66793488439766).

The spelling of 64162426013620 in words is "sixty-four trillion, one hundred sixty-two billion, four hundred twenty-six million, thirteen thousand, six hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 291647390971 583294781942 1166589563884 1458236954855 2916473909710 3208121300681 5832947819420 6416242601362 12832485202724 16040606503405 32081213006810 64162426013620