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252000010081 = 2271433774691
BaseRepresentation
bin1110101010110001011…
…1101111111101100001
3220002110022110220011201
43222230113233331201
513112044000310311
6311433414441201
724130536512641
oct3525427577541
9802408426151
10252000010081
1197966488446
1240a0a363201
131a9c053aa01
14c2a82b0521
15684d6ce9c1
hex3aac5eff61

252000010081 has 8 divisors (see below), whose sum is σ = 253287098784. Its totient is φ = 250714474080.

The previous prime is 252000010057. The next prime is 252000010103. The reversal of 252000010081 is 180010000252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252000010081 - 237 = 114561056609 is a prime.

It is a super-2 number, since 2×2520000100812 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252000010001) 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, 62055 + ... + 712636.

It is an arithmetic number, because the mean of its divisors is an integer number (31660887348).

Almost surely, 2252000010081 is an apocalyptic number.

It is an amenable number.

252000010081 is a deficient number, since it is larger than the sum of its proper divisors (1287088703).

252000010081 is a wasteful number, since it uses less digits than its factorization.

252000010081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776351.

The product of its (nonzero) digits is 160, while the sum is 19.

The spelling of 252000010081 in words is "two hundred fifty-two billion, ten thousand, eighty-one".

Divisors: 1 227 1433 325291 774691 175854857 1110132203 252000010081