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2038291111 = 13211542991
BaseRepresentation
bin111100101111101…
…1101101010100111
312021001101220202101
41321133131222213
513133300303421
6534131352531
7101340121453
oct17137355247
95231356671
102038291111
1195662030a
1248a752747
1326639311c
141549c5663
15bde28191
hex797ddaa7

2038291111 has 4 divisors (see below), whose sum is σ = 2039835424. Its totient is φ = 2036746800.

The previous prime is 2038291103. The next prime is 2038291121. The reversal of 2038291111 is 1111928302.

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 2038291111 - 23 = 2038291103 is a prime.

It is a super-2 number, since 2×20382911112 = 8309261306363228642, 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 2038291111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2038291121) 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, 770175 + ... + 772816.

It is an arithmetic number, because the mean of its divisors is an integer number (509958856).

Almost surely, 22038291111 is an apocalyptic number.

2038291111 is a deficient number, since it is larger than the sum of its proper divisors (1544313).

2038291111 is a wasteful number, since it uses less digits than its factorization.

2038291111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544312.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 2038291111 is about 45147.4374798836. The cubic root of 2038291111 is about 1267.9109041795.

The spelling of 2038291111 in words is "two billion, thirty-eight million, two hundred ninety-one thousand, one hundred eleven".

Divisors: 1 1321 1542991 2038291111