Search a number
-
+
16780312254 = 233580978101
BaseRepresentation
bin11111010000010111…
…10011111010111110
31121022110010011222110
433220023303322332
5233331224443004
611413032154450
71132555205106
oct175013637276
947273104873
1016780312254
117131059a62
123303838a26
131775634b64
14b52854206
1568327e589
hex3e82f3ebe

16780312254 has 16 divisors (see below), whose sum is σ = 33561991440. Its totient is φ = 5593209600.

The previous prime is 16780312249. The next prime is 16780312273. The reversal of 16780312254 is 45221308761.

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, 175804 + ... + 253904.

It is an arithmetic number, because the mean of its divisors is an integer number (2097624465).

Almost surely, 216780312254 is an apocalyptic number.

16780312254 is an abundant number, since it is smaller than the sum of its proper divisors (16781679186).

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

16780312254 is a wasteful number, since it uses less digits than its factorization.

16780312254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113915.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 16780312254 in words is "sixteen billion, seven hundred eighty million, three hundred twelve thousand, two hundred fifty-four".

Divisors: 1 2 3 6 35809 71618 78101 107427 156202 214854 234303 468606 2796718709 5593437418 8390156127 16780312254