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152455531420 = 2258361791163
BaseRepresentation
bin1000110111111100001…
…1101100101110011100
3112120111212222102201201
42031333003230232130
54444212104001140
6154012003045244
714004663430663
oct2157703545634
9476455872651
10152455531420
115972419a265
1225669070824
13114b820c12a
147543947dda
153e7447449a
hex237f0ecb9c

152455531420 has 24 divisors (see below), whose sum is σ = 320163956784. Its totient is φ = 60980814336.

The previous prime is 152455531409. The next prime is 152455531421. The reversal of 152455531420 is 24135554251.

It is a self number, because there is not a number n which added to its sum of digits gives 152455531420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152455531421) 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, 1626759 + ... + 1717921.

It is an arithmetic number, because the mean of its divisors is an integer number (13340164866).

Almost surely, 2152455531420 is an apocalyptic number.

152455531420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152455531420 is an abundant number, since it is smaller than the sum of its proper divisors (167708425364).

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

152455531420 is a wasteful number, since it uses less digits than its factorization.

152455531420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174789 (or 174787 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 152455531420 in words is "one hundred fifty-two billion, four hundred fifty-five million, five hundred thirty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 83617 91163 167234 182326 334468 364652 418085 455815 836170 911630 1672340 1823260 7622776571 15245553142 30491106284 38113882855 76227765710 152455531420