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136642579608 = 23346112350197
BaseRepresentation
bin111111101000010001…
…0000100110010011000
3111001200212010020210210
41333100202010302120
54214321000021413
6142434524411120
712605062522443
oct1772042046230
9431625106723
10136642579608
1152a4a1a0547
12225953a6aa0
13cb68126c02
14688378665a
15384b0ca3c3
hex1fd0884c98

136642579608 has 32 divisors (see below), whose sum is σ = 342347488560. Its totient is φ = 45448721280.

The previous prime is 136642579597. The next prime is 136642579609. The reversal of 136642579608 is 806975246631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136642579609) 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, 6164035 + ... + 6186162.

It is a 1-persistent number, because it is pandigital, but 2⋅136642579608 = 273285159216 is not.

Almost surely, 2136642579608 is an apocalyptic number.

It is an amenable number.

136642579608 is an abundant number, since it is smaller than the sum of its proper divisors (205704908952).

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

136642579608 is a wasteful number, since it uses less digits than its factorization.

136642579608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12350667 (or 12350663 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 57.

The spelling of 136642579608 in words is "one hundred thirty-six billion, six hundred forty-two million, five hundred seventy-nine thousand, six hundred eight".

Divisors: 1 2 3 4 6 8 12 24 461 922 1383 1844 2766 3688 5532 11064 12350197 24700394 37050591 49400788 74101182 98801576 148202364 296404728 5693440817 11386881634 17080322451 22773763268 34160644902 45547526536 68321289804 136642579608