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13780673048 = 231722584131
BaseRepresentation
bin11001101010110010…
…00110001000011000
31022120101202201120002
430311121012020120
5211210323014143
610155235352132
7665332534232
oct146531061030
938511681502
1013780673048
11593191569a
122807152648
1313b804890c
1494a303252
15559c5c5b8
hex335646218

13780673048 has 8 divisors (see below), whose sum is σ = 25838761980. Its totient is φ = 6890336520.

The previous prime is 13780673033. The next prime is 13780673083. The reversal of 13780673048 is 84037608731.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×137806730482 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13780672993 and 13780673011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 861292058 + ... + 861292073.

Almost surely, 213780673048 is an apocalyptic number.

It is an amenable number.

13780673048 is a deficient number, since it is larger than the sum of its proper divisors (12058088932).

13780673048 is a wasteful number, since it uses less digits than its factorization.

13780673048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722584137 (or 1722584133 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 13780673048 in words is "thirteen billion, seven hundred eighty million, six hundred seventy-three thousand, forty-eight".

Divisors: 1 2 4 8 1722584131 3445168262 6890336524 13780673048