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1119431870 = 25111943187
BaseRepresentation
bin100001010111001…
…0010110010111110
32220000102000211122
41002232102302332
54243033304440
6303025150542
736512004524
oct10256226276
92800360748
101119431870
11524987807
12272a8b452
1314abc562b
14a895a314
15684237b5
hex42b92cbe

1119431870 has 8 divisors (see below), whose sum is σ = 2014977384. Its totient is φ = 447772744.

The previous prime is 1119431867. The next prime is 1119431881. The reversal of 1119431870 is 781349111.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1119431870.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55971584 + ... + 55971603.

It is an arithmetic number, because the mean of its divisors is an integer number (251872173).

Almost surely, 21119431870 is an apocalyptic number.

1119431870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1119431870 is a deficient number, since it is larger than the sum of its proper divisors (895545514).

1119431870 is a wasteful number, since it uses less digits than its factorization.

1119431870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111943194.

The product of its (nonzero) digits is 6048, while the sum is 35.

The square root of 1119431870 is about 33457.9119193054. The cubic root of 1119431870 is about 1038.3231947380.

The spelling of 1119431870 in words is "one billion, one hundred nineteen million, four hundred thirty-one thousand, eight hundred seventy".

Divisors: 1 2 5 10 111943187 223886374 559715935 1119431870