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3111202442 = 21555601221
BaseRepresentation
bin1011100101110001…
…0010111010001010
322000211021110102002
42321130102322022
522332431434232
61232415511002
7140045533025
oct27134227212
98024243362
103111202442
111357213497
12729b28462
133a774acba
142172b21bc
1513320cb62
hexb9712e8a

3111202442 has 4 divisors (see below), whose sum is σ = 4666803666. Its totient is φ = 1555601220.

The previous prime is 3111202441. The next prime is 3111202469. The reversal of 3111202442 is 2442021113.

3111202442 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.

It can be written as a sum of positive squares in only one way, i.e., 2791114561 + 320087881 = 52831^2 + 17891^2 .

It is not an unprimeable number, because it can be changed into a prime (3111202441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 777800609 + ... + 777800612.

Almost surely, 23111202442 is an apocalyptic number.

3111202442 is a deficient number, since it is larger than the sum of its proper divisors (1555601224).

3111202442 is a wasteful number, since it uses less digits than its factorization.

3111202442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555601223.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 3111202442 is about 55778.1538059481. The cubic root of 3111202442 is about 1459.8539983482.

Adding to 3111202442 its reverse (2442021113), we get a palindrome (5553223555).

The spelling of 3111202442 in words is "three billion, one hundred eleven million, two hundred two thousand, four hundred forty-two".

Divisors: 1 2 1555601221 3111202442