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1501500140 = 225721532143
BaseRepresentation
bin101100101111111…
…0001001011101100
310212122100002222022
41121133301023230
511033341001030
6404554205312
752131353300
oct13137611354
93778302868
101501500140
11700615308
1235aa23838
131ac0c902a
141035b3d00
158bc43de5
hex597f12ec

1501500140 has 36 divisors (see below), whose sum is σ = 3667952736. Its totient is φ = 514799712.

The previous prime is 1501500139. The next prime is 1501500157. The reversal of 1501500140 is 410051051.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 765092 + ... + 767051.

It is an arithmetic number, because the mean of its divisors is an integer number (101887576).

Almost surely, 21501500140 is an apocalyptic number.

1501500140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1501500140 is an abundant number, since it is smaller than the sum of its proper divisors (2166452596).

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

1501500140 is a wasteful number, since it uses less digits than its factorization.

1501500140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532166 (or 1532157 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 1501500140 is about 38749.1953464843. The cubic root of 1501500140 is about 1145.0957224373.

Adding to 1501500140 its reverse (410051051), we get a palindrome (1911551191).

The spelling of 1501500140 in words is "one billion, five hundred one million, five hundred thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 1532143 3064286 6128572 7660715 10725001 15321430 21450002 30642860 42900004 53625005 75075007 107250010 150150014 214500020 300300028 375375035 750750070 1501500140