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16316527540 = 2255411507997
BaseRepresentation
bin11110011001000101…
…00111001110110100
31120010010102110221211
433030202213032310
5231404012340130
611255023451204
71115224124065
oct171442471664
946103373854
1016316527540
116a13288705
1231b4456b04
13170051ca31
14b0b00856c
156576bba2a
hex3cc8a73b4

16316527540 has 24 divisors (see below), whose sum is σ = 34328066472. Its totient is φ = 6514542720.

The previous prime is 16316527531. The next prime is 16316527559. The reversal of 16316527540 is 4572561361.

It can be written as a sum of positive squares in 4 ways, for example, as 1281353616 + 15035173924 = 35796^2 + 122618^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16316527493 and 16316527502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743179 + ... + 764818.

It is an arithmetic number, because the mean of its divisors is an integer number (1430336103).

Almost surely, 216316527540 is an apocalyptic number.

16316527540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16316527540 is an abundant number, since it is smaller than the sum of its proper divisors (18011538932).

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

16316527540 is a wasteful number, since it uses less digits than its factorization.

16316527540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508547 (or 1508545 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 16316527540 in words is "sixteen billion, three hundred sixteen million, five hundred twenty-seven thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 541 1082 2164 2705 5410 10820 1507997 3015994 6031988 7539985 15079970 30159940 815826377 1631652754 3263305508 4079131885 8158263770 16316527540