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2031140999 = 10601191599
BaseRepresentation
bin111100100010000…
…1100000010000111
312020112221122122102
41321010030002013
513124433002444
6533314222315
7101222261606
oct17104140207
95215848572
102031140999
11952587328
1248828499b
13264a5b7a4
14153a83a3d
15bd4b484e
hex7910c087

2031140999 has 4 divisors (see below), whose sum is σ = 2031343200. Its totient is φ = 2030938800.

The previous prime is 2031140959. The next prime is 2031141019. The reversal of 2031140999 is 9990411302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2031140999 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 (2031140939) 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, 85199 + ... + 106400.

It is an arithmetic number, because the mean of its divisors is an integer number (507835800).

Almost surely, 22031140999 is an apocalyptic number.

2031140999 is a deficient number, since it is larger than the sum of its proper divisors (202201).

2031140999 is a wasteful number, since it uses less digits than its factorization.

2031140999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202200.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 2031140999 is about 45068.1816695549. The cubic root of 2031140999 is about 1266.4266009570.

The spelling of 2031140999 in words is "two billion, thirty-one million, one hundred forty thousand, nine hundred ninety-nine".

Divisors: 1 10601 191599 2031140999