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63850989151 = 79808240369
BaseRepresentation
bin111011011101110100…
…001100011001011111
320002210212220022202001
4323131310030121133
52021231323123101
645155512143131
74420200311215
oct733564143137
9202725808661
1063850989151
1125096245224
121045b697aa7
136037537cb1
14313a0d8cb5
1519da891901
hexeddd0c65f

63850989151 has 4 divisors (see below), whose sum is σ = 64659229600. Its totient is φ = 63042748704.

The previous prime is 63850989127. The next prime is 63850989157. The reversal of 63850989151 is 15198905836.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63850989151 - 229 = 63314118239 is a prime.

It is a super-2 number, since 2×638509891512 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63850989092 and 63850989101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63850989157) 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, 404120106 + ... + 404120263.

It is an arithmetic number, because the mean of its divisors is an integer number (16164807400).

Almost surely, 263850989151 is an apocalyptic number.

63850989151 is a deficient number, since it is larger than the sum of its proper divisors (808240449).

63850989151 is an equidigital number, since it uses as much as digits as its factorization.

63850989151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808240448.

The product of its (nonzero) digits is 2332800, while the sum is 55.

The spelling of 63850989151 in words is "sixty-three billion, eight hundred fifty million, nine hundred eighty-nine thousand, one hundred fifty-one".

Divisors: 1 79 808240369 63850989151