Search a number
-
+
32161425488 = 242969313417
BaseRepresentation
bin11101111100111110…
…000110100001010000
310002000101101200201222
4131330332012201100
51011331311103423
622435202544212
72215663414613
oct357476064120
9102011350658
1032161425488
1112704316a95
126296968068
13305710b9aa
1417b152417a
15c837763c8
hex77cf86850

32161425488 has 20 divisors (see below), whose sum is σ = 64461478740. Its totient is φ = 15526205184.

The previous prime is 32161425487. The next prime is 32161425577. The reversal of 32161425488 is 88452416123.

It can be written as a sum of positive squares in 2 ways, for example, as 16648224784 + 15513200704 = 129028^2 + 124552^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32161425487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34656245 + ... + 34657172.

It is an arithmetic number, because the mean of its divisors is an integer number (3223073937).

Almost surely, 232161425488 is an apocalyptic number.

It is an amenable number.

32161425488 is an abundant number, since it is smaller than the sum of its proper divisors (32300053252).

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

32161425488 is a wasteful number, since it uses less digits than its factorization.

32161425488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69313454 (or 69313448 counting only the distinct ones).

The product of its digits is 368640, while the sum is 44.

The spelling of 32161425488 in words is "thirty-two billion, one hundred sixty-one million, four hundred twenty-five thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 16 29 58 116 232 464 69313417 138626834 277253668 554507336 1109014672 2010089093 4020178186 8040356372 16080712744 32161425488