Search a number
-
+
15061689368 = 23111317691699
BaseRepresentation
bin11100000011011111…
…10010010000011000
31102212200020002120222
432001233302100120
5221321243024433
610530320135212
71042146150545
oct160157622030
942780202528
1015061689368
116429a27170
122b04167508
131560567c3b
14a2c4c1bcc
155d244cb98
hex381bf2418

15061689368 has 64 divisors (see below), whose sum is σ = 31101840000. Its totient is φ = 6781132800.

The previous prime is 15061689361. The next prime is 15061689413. The reversal of 15061689368 is 86398616051.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15061689361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8864183 + ... + 8865881.

It is an arithmetic number, because the mean of its divisors is an integer number (485966250).

Almost surely, 215061689368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15061689368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15550920000).

15061689368 is an abundant number, since it is smaller than the sum of its proper divisors (16040150632).

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

15061689368 is a wasteful number, since it uses less digits than its factorization.

15061689368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616 (or 2612 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 15061689368 in words is "fifteen billion, sixty-one million, six hundred eighty-nine thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 11 22 44 88 131 262 524 769 1048 1441 1538 1699 2882 3076 3398 5764 6152 6796 8459 11528 13592 16918 18689 33836 37378 67672 74756 100739 149512 201478 222569 402956 445138 805912 890276 1108129 1306531 1780552 2216258 2448259 2613062 4432516 4896518 5226124 8865032 9793036 10452248 14371841 19586072 28743682 57487364 114974728 171155561 342311122 684622244 1369244488 1882711171 3765422342 7530844684 15061689368