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126390050311 = 719393552961
BaseRepresentation
bin111010110110101101…
…1110001111000000111
3110002020100011210121111
41311231123301320013
54032321323102221
6134021321225451
712063030462460
oct1655533617007
9402210153544
10126390050311
1149668985538
12205b3932287
13bbc301ca25
14618dc89d67
15344ae88be1
hex1d6d6f1e07

126390050311 has 8 divisors (see below), whose sum is σ = 145194197024. Its totient is φ = 107773009920.

The previous prime is 126390050251. The next prime is 126390050341. The reversal of 126390050311 is 113050093621.

It is a happy number.

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 126390050311 - 211 = 126390048263 is a prime.

It is a super-2 number, since 2×1263900503112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126390050341) 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, 46775130 + ... + 46777831.

It is an arithmetic number, because the mean of its divisors is an integer number (18149274628).

Almost surely, 2126390050311 is an apocalyptic number.

126390050311 is a deficient number, since it is larger than the sum of its proper divisors (18804146713).

126390050311 is an equidigital number, since it uses as much as digits as its factorization.

126390050311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93553161.

The product of its (nonzero) digits is 4860, while the sum is 31.

The spelling of 126390050311 in words is "one hundred twenty-six billion, three hundred ninety million, fifty thousand, three hundred eleven".

Divisors: 1 7 193 1351 93552961 654870727 18055721473 126390050311