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2011032311 = 101157126823
BaseRepresentation
bin111011111011101…
…1110101011110111
312012011010000201012
41313313132223313
513104311013221
6531315222435
7100556330651
oct16767365367
95164100635
102011032311
119421a2382
124815a7a1b
1326083aa62
1415112b6d1
15bb84165b
hex77ddeaf7

2011032311 has 8 divisors (see below), whose sum is σ = 2043895584. Its totient is φ = 1978423200.

The previous prime is 2011032281. The next prime is 2011032337. The reversal of 2011032311 is 1132301102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2011032311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011032211) 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, 47555 + ... + 79268.

It is an arithmetic number, because the mean of its divisors is an integer number (255486948).

Almost surely, 22011032311 is an apocalyptic number.

2011032311 is a deficient number, since it is larger than the sum of its proper divisors (32863273).

2011032311 is a wasteful number, since it uses less digits than its factorization.

2011032311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127081.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2011032311 is about 44844.5349067197. The cubic root of 2011032311 is about 1262.2334433948.

Adding to 2011032311 its reverse (1132301102), we get a palindrome (3143333413).

The spelling of 2011032311 in words is "two billion, eleven million, thirty-two thousand, three hundred eleven".

Divisors: 1 101 157 15857 126823 12809123 19911211 2011032311