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253180880285093 = 2082779121559167
BaseRepresentation
bin111001100100010001000100…
…011011101110110110100101
31020012102212002212020010112122
4321210101010123232312211
5231141103420323110333
62254245405110355325
7104220500143251005
oct7144210433566645
91205385085203478
10253180880285093
1173742454566532
122449019865bb45
13ab36b15639237
14467403cbc8005
151e40c38081798
hexe644446eeda5

253180880285093 has 4 divisors (see below), whose sum is σ = 253181003927040. Its totient is φ = 253180756643148.

The previous prime is 253180880285033. The next prime is 253180880285131. The reversal of 253180880285093 is 390582088081352.

253180880285093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 253180880285093 - 214 = 253180880268709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253180880285033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58696805 + ... + 62862362.

It is an arithmetic number, because the mean of its divisors is an integer number (63295250981760).

Almost surely, 2253180880285093 is an apocalyptic number.

It is an amenable number.

253180880285093 is a deficient number, since it is larger than the sum of its proper divisors (123641947).

253180880285093 is a wasteful number, since it uses less digits than its factorization.

253180880285093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123641946.

The product of its (nonzero) digits is 33177600, while the sum is 62.

The spelling of 253180880285093 in words is "two hundred fifty-three trillion, one hundred eighty billion, eight hundred eighty million, two hundred eighty-five thousand, ninety-three".

Divisors: 1 2082779 121559167 253180880285093