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6455012452 = 2272371137877
BaseRepresentation
bin1100000001011111…
…11010110001100100
3121122212020121102021
412000233322301210
5101204440344302
62544305152524
7315650462200
oct60057726144
917585217367
106455012452
112812760439
12130192b744
137bb42c0c5
14453413b00
1527ba66437
hex180bfac64

6455012452 has 72 divisors (see below), whose sum is σ = 13616870904. Its totient is φ = 2667506688.

The previous prime is 6455012449. The next prime is 6455012471. The reversal of 6455012452 is 2542105546.

It can be written as a sum of positive squares in 4 ways, for example, as 66846976 + 6388165476 = 8176^2 + 79926^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 815538 + ... + 823414.

It is an arithmetic number, because the mean of its divisors is an integer number (189123207).

Almost surely, 26455012452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6455012452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6808435452).

6455012452 is an abundant number, since it is smaller than the sum of its proper divisors (7161858452).

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

6455012452 is a wasteful number, since it uses less digits than its factorization.

6455012452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8045 (or 8036 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 6455012452 is about 80343.0921237165. The cubic root of 6455012452 is about 1861.9400549793.

Adding to 6455012452 its reverse (2542105546), we get a palindrome (8997117998).

The spelling of 6455012452 in words is "six billion, four hundred fifty-five million, twelve thousand, four hundred fifty-two".

Divisors: 1 2 4 7 14 28 37 49 74 98 113 148 196 226 259 452 518 791 1036 1582 1813 3164 3626 4181 5537 7252 7877 8362 11074 15754 16724 22148 29267 31508 55139 58534 110278 117068 204869 220556 291449 385973 409738 582898 771946 819476 890101 1165796 1543892 1780202 2040143 3560404 4080286 6230707 8160572 12461414 14281001 24922828 28562002 32933737 43614949 57124004 65867474 87229898 131734948 174459796 230536159 461072318 922144636 1613753113 3227506226 6455012452