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136280280280 = 2353407007007
BaseRepresentation
bin111111011101011110…
…0000000110011011000
3111000202121101112120011
41332322330000303120
54213100222432110
6142334543211304
712563103161254
oct1767274006330
9430677345504
10136280280280
1152883735711
12224b3ba6b34
13cb0b055701
14684b5d7264
1538293b248a
hex1fbaf00cd8

136280280280 has 16 divisors (see below), whose sum is σ = 306630630720. Its totient is φ = 54512112096.

The previous prime is 136280280247. The next prime is 136280280287. The reversal of 136280280280 is 82082082631.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 3407007007 = 136280280280 / (1 + 3 + 6 + 2 + 8 + 0 + 2 + 8 + 0 + 2 + 8 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136280280287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1703503464 + ... + 1703503543.

It is an arithmetic number, because the mean of its divisors is an integer number (19164414420).

Almost surely, 2136280280280 is an apocalyptic number.

136280280280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136280280280 is an abundant number, since it is smaller than the sum of its proper divisors (170350350440).

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

136280280280 is a wasteful number, since it uses less digits than its factorization.

136280280280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407007018 (or 3407007014 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 136280280280 in words is "one hundred thirty-six billion, two hundred eighty million, two hundred eighty thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 3407007007 6814014014 13628028028 17035035035 27256056056 34070070070 68140140140 136280280280