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212605532153 = 735984602281
BaseRepresentation
bin1100011000000001000…
…1101111011111111001
3202022202211211001210122
43012000101233133321
511440404004012103
6241400350223025
721234364130420
oct3060021573771
9668684731718
10212605532153
118219030a073
12352551b4a75
1317082a68641
14a40c2c62b7
1557e4e56b38
hex318046f7f9

212605532153 has 8 divisors (see below), whose sum is σ = 243654572160. Its totient is φ = 181725697440.

The previous prime is 212605532149. The next prime is 212605532159. The reversal of 212605532153 is 351235506212.

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

It is not a de Polignac number, because 212605532153 - 22 = 212605532149 is a prime.

It is a super-2 number, since 2×2126055321532 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212605532159) 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, 42298628 + ... + 42303653.

It is an arithmetic number, because the mean of its divisors is an integer number (30456821520).

Almost surely, 2212605532153 is an apocalyptic number.

It is an amenable number.

212605532153 is a deficient number, since it is larger than the sum of its proper divisors (31049040007).

212605532153 is an equidigital number, since it uses as much as digits as its factorization.

212605532153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84602647.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 212605532153 in words is "two hundred twelve billion, six hundred five million, five hundred thirty-two thousand, one hundred fifty-three".

Divisors: 1 7 359 2513 84602281 592215967 30372218879 212605532153