Search a number
-
+
28551605415060 = 223571322775032887
BaseRepresentation
bin1100111110111101100000…
…10011000110110010010100
310202002111200110202022211110
412133132300103012302110
512220242141441240220
6140420232040335020
76004533253505610
oct637366023066224
9122074613668743
1028551605415060
119108738a10922
1232515aaa74470
1312c1535576100
14709c95754340
15347a5d1e2be0
hex19f7b04c6c94

28551605415060 has 576 divisors, whose sum is σ = 99522867290112. Its totient is φ = 5988319414272.

The previous prime is 28551605414947. The next prime is 28551605415083. The reversal of 28551605415060 is 6051450615582.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9889712937 + ... + 9889715823.

It is an arithmetic number, because the mean of its divisors is an integer number (172782755712).

Almost surely, 228551605415060 is an apocalyptic number.

28551605415060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28551605415060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49761433645056).

28551605415060 is an abundant number, since it is smaller than the sum of its proper divisors (70971261875052).

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

28551605415060 is a wasteful number, since it uses less digits than its factorization.

28551605415060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3712 (or 3697 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 48.

The spelling of 28551605415060 in words is "twenty-eight trillion, five hundred fifty-one billion, six hundred five million, four hundred fifteen thousand, sixty".