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16988860252 = 2271346672693
BaseRepresentation
bin11111101001001110…
…10110111101011100
31121211222112112001101
433310213112331130
5234243122012002
611445442122444
71140666633550
oct176447267534
947758475041
1016988860252
117228850181
123361650424
1317a98c2b40
14b7241d860
15696726587
hex3f49d6f5c

16988860252 has 24 divisors (see below), whose sum is σ = 36591392096. Its totient is φ = 6720867648.

The previous prime is 16988860247. The next prime is 16988860253. The reversal of 16988860252 is 25206888961.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16988860193 and 16988860202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16988860253) 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, 23335983 + ... + 23336710.

Almost surely, 216988860252 is an apocalyptic number.

It is an amenable number.

16988860252 is an abundant number, since it is smaller than the sum of its proper divisors (19602531844).

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

16988860252 is a wasteful number, since it uses less digits than its factorization.

16988860252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46672717 (or 46672715 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 55.

The spelling of 16988860252 in words is "sixteen billion, nine hundred eighty-eight million, eight hundred sixty thousand, two hundred fifty-two".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 46672693 93345386 186690772 326708851 606745009 653417702 1213490018 1306835404 2426980036 4247215063 8494430126 16988860252