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67654048042 = 272690347429
BaseRepresentation
bin111111000000011111…
…101101100100101010
320110121221000201210001
4333000133231210222
52102023414014132
651025125013214
74613346630400
oct770037554452
9213557021701
1067654048042
1126767a456a9
121114125420a
1364c24037b9
1433bb225470
151b5e6b3ce7
hexfc07ed92a

67654048042 has 12 divisors (see below), whose sum is σ = 118049410530. Its totient is φ = 28994591976.

The previous prime is 67654048001. The next prime is 67654048043. The reversal of 67654048042 is 24084045676.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 64449469161 + 3204578881 = 253869^2 + 56609^2 .

It is a junction number, because it is equal to n+sod(n) for n = 67654047983 and 67654048001.

It is not an unprimeable number, because it can be changed into a prime (67654048043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 345173617 + ... + 345173812.

Almost surely, 267654048042 is an apocalyptic number.

67654048042 is a deficient number, since it is larger than the sum of its proper divisors (50395362488).

67654048042 is a wasteful number, since it uses less digits than its factorization.

67654048042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690347445 (or 690347438 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 46.

The spelling of 67654048042 in words is "sixty-seven billion, six hundred fifty-four million, forty-eight thousand, forty-two".

Divisors: 1 2 7 14 49 98 690347429 1380694858 4832432003 9664864006 33827024021 67654048042