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253052500530 = 23573115549087
BaseRepresentation
bin1110101110101100011…
…0101011101000110010
3220012011122220221122110
43223223012223220302
513121222420004110
6312130053150150
724165606523134
oct3535306535062
9805148827573
10253052500530
11983565a3065
124106292b356
131ab2a5c5a1b
14c367da3054
1568b0ccda20
hex3aeb1aba32

253052500530 has 32 divisors (see below), whose sum is σ = 615645540864. Its totient is φ = 66556273536.

The previous prime is 253052500517. The next prime is 253052500567. The reversal of 253052500530 is 35005250352.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57772354 + ... + 57776733.

It is an arithmetic number, because the mean of its divisors is an integer number (19238923152).

Almost surely, 2253052500530 is an apocalyptic number.

253052500530 is an abundant number, since it is smaller than the sum of its proper divisors (362593040334).

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

253052500530 is a wasteful number, since it uses less digits than its factorization.

253052500530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115549170.

The product of its (nonzero) digits is 22500, while the sum is 30.

Adding to 253052500530 its reverse (35005250352), we get a palindrome (288057750882).

The spelling of 253052500530 in words is "two hundred fifty-three billion, fifty-two million, five hundred thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 73 146 219 365 438 730 1095 2190 115549087 231098174 346647261 577745435 693294522 1155490870 1733236305 3466472610 8435083351 16870166702 25305250053 42175416755 50610500106 84350833510 126526250265 253052500530