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2119512937 = 2973086653
BaseRepresentation
bin111111001010101…
…0011001101101001
312110201020102011011
41332111103031221
513320043403222
6550152303521
7103344364003
oct17625231551
95421212134
102119512937
11998456493
124b19a1ba1
1327a160689
141616c9373
15c611dc77
hex7e553369

2119512937 has 4 divisors (see below), whose sum is σ = 2192599620. Its totient is φ = 2046426256.

The previous prime is 2119512911. The next prime is 2119512943. The reversal of 2119512937 is 7392159112.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1457788761 + 661724176 = 38181^2 + 25724^2 .

It is a cyclic number.

It is not a de Polignac number, because 2119512937 - 27 = 2119512809 is a prime.

It is a super-2 number, since 2×21195129372 = 8984670180220731938, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2119512937.

It is not an unprimeable number, because it can be changed into a prime (2119512137) 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, 36543298 + ... + 36543355.

It is an arithmetic number, because the mean of its divisors is an integer number (548149905).

Almost surely, 22119512937 is an apocalyptic number.

It is an amenable number.

2119512937 is a deficient number, since it is larger than the sum of its proper divisors (73086683).

2119512937 is an equidigital number, since it uses as much as digits as its factorization.

2119512937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73086682.

The product of its digits is 34020, while the sum is 40.

The square root of 2119512937 is about 46038.1682628664. The cubic root of 2119512937 is about 1284.5332702168.

The spelling of 2119512937 in words is "two billion, one hundred nineteen million, five hundred twelve thousand, nine hundred thirty-seven".

Divisors: 1 29 73086653 2119512937