Search a number
-
+
64157023084773 = 3379326931725953
BaseRepresentation
bin11101001011001101110001…
…00100100010000011100101
322102011100111020201101220210
432211212320210202003211
531402122040402203043
6344241155102050033
716341122561226603
oct1645467044420345
9272140436641823
1064157023084773
1119495927a63413
127242089279919
1329a4c9ac52828
1411bb306072873
15763d10eb6633
hex3a59b89220e5

64157023084773 has 16 divisors (see below), whose sum is σ = 85771076915520. Its totient is φ = 42657166024704.

The previous prime is 64157023084753. The next prime is 64157023084789. The reversal of 64157023084773 is 37748032075146.

It is not a de Polignac number, because 64157023084773 - 213 = 64157023076581 is a prime.

It is a super-2 number, since 2×641570230847732 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64157023084753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36308965 + ... + 38034917.

It is an arithmetic number, because the mean of its divisors is an integer number (5360692307220).

Almost surely, 264157023084773 is an apocalyptic number.

It is an amenable number.

64157023084773 is a deficient number, since it is larger than the sum of its proper divisors (21614053830747).

64157023084773 is a wasteful number, since it uses less digits than its factorization.

64157023084773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759028.

The product of its (nonzero) digits is 23708160, while the sum is 57.

The spelling of 64157023084773 in words is "sixty-four trillion, one hundred fifty-seven billion, twenty-three million, eighty-four thousand, seven hundred seventy-three".

Divisors: 1 3 379 1137 32693 98079 1725953 5177859 12390647 37171941 654136187 1962408561 56426581429 169279744287 21385674361591 64157023084773