Search a number
-
+
420100742496 = 25329271495063
BaseRepresentation
bin1100001110011111111…
…01001001110101100000
31111011100112122212222010
412013033331021311200
523340331242224441
6520554104512520
742231326251551
oct6071775116540
91434315585863
10420100742496
11152188a0a786
1269502a7b740
13307ccb59706
14164939d0328
15addb414116
hex61cff49d60

420100742496 has 48 divisors (see below), whose sum is σ = 1103141942784. Its totient is φ = 139985645184.

The previous prime is 420100742431. The next prime is 420100742497. The reversal of 420100742496 is 694247001024.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420100742497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466540 + ... + 1028523.

It is an arithmetic number, because the mean of its divisors is an integer number (22982123808).

Almost surely, 2420100742496 is an apocalyptic number.

It is an amenable number.

420100742496 is an abundant number, since it is smaller than the sum of its proper divisors (683041200288).

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

420100742496 is a wasteful number, since it uses less digits than its factorization.

420100742496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498003 (or 1497995 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 420100742496 in words is "four hundred twenty billion, one hundred million, seven hundred forty-two thousand, four hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 2927 5854 8781 11708 17562 23416 35124 46832 70248 93664 140496 280992 1495063 2990126 4485189 5980252 8970378 11960504 17940756 23921008 35881512 47842016 71763024 143526048 4376049401 8752098802 13128148203 17504197604 26256296406 35008395208 52512592812 70016790416 105025185624 140033580832 210050371248 420100742496