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2148894478296 = 2332191570829297
BaseRepresentation
bin11111010001010100000…
…101111000111111011000
321121102200011002001011100
4133101110011320333120
5240201413441301141
64323104414231400
7311152415454666
oct37212405707730
97542604061140
102148894478296
11759382a03135
122a85784b5560
13127841a7b777
14760154a5c36
153ad6e9d50b6
hex1f454178fd8

2148894478296 has 48 divisors (see below), whose sum is σ = 6126234262200. Its totient is φ = 678598255872.

The previous prime is 2148894478279. The next prime is 2148894478309. The reversal of 2148894478296 is 6928744988412.

It is a happy number.

2148894478296 is a `hidden beast` number, since 2 + 1 + 48 + 8 + 94 + 478 + 29 + 6 = 666.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 785413281 + ... + 785416016.

Almost surely, 22148894478296 is an apocalyptic number.

It is an amenable number.

2148894478296 is an abundant number, since it is smaller than the sum of its proper divisors (3977339783904).

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

2148894478296 is a wasteful number, since it uses less digits than its factorization.

2148894478296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570829328 (or 1570829321 counting only the distinct ones).

The product of its digits is 445906944, while the sum is 72.

The spelling of 2148894478296 in words is "two trillion, one hundred forty-eight billion, eight hundred ninety-four million, four hundred seventy-eight thousand, two hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 18 19 24 36 38 57 72 76 114 152 171 228 342 456 684 1368 1570829297 3141658594 4712487891 6283317188 9424975782 12566634376 14137463673 18849951564 28274927346 29845756643 37699903128 56549854692 59691513286 89537269929 113099709384 119383026572 179074539858 238766053144 268611809787 358149079716 537223619574 716298159432 1074447239148 2148894478296