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151015040550 = 233521119352691
BaseRepresentation
bin1000110010100100110…
…0101010011000100110
3112102210111102220202000
42030221030222120212
54433234322244200
6153213024230130
713624202444103
oct2145114523046
9472714386660
10151015040550
1159055065140
122532676b346
131131895457a
1474484d5aaa
153ddcc82300
hex232932a626

151015040550 has 192 divisors, whose sum is σ = 456321150720. Its totient is φ = 36419328000.

The previous prime is 151015040419. The next prime is 151015040557. The reversal of 151015040550 is 55040510151.

151015040550 is a `hidden beast` number, since 1 + 5 + 101 + 5 + 0 + 4 + 0 + 550 = 666.

151015040550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151015040557) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2839705 + ... + 2892395.

It is an arithmetic number, because the mean of its divisors is an integer number (2376672660).

Almost surely, 2151015040550 is an apocalyptic number.

151015040550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 151015040550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228160575360).

151015040550 is an abundant number, since it is smaller than the sum of its proper divisors (305306110170).

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

151015040550 is a wasteful number, since it uses less digits than its factorization.

151015040550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52916 (or 52905 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

The spelling of 151015040550 in words is "one hundred fifty-one billion, fifteen million, forty thousand, five hundred fifty".