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3780191139 = 34973253381
BaseRepresentation
bin1110000101010001…
…0010001110100011
3100202110002121101020
43201110102032203
530220212104024
61423034340523
7162451044264
oct34124221643
910673077336
103780191139
11166a90160a
12895b8a743
1348321ccba
1427c09696b
15171d06979
hexe15123a3

3780191139 has 8 divisors (see below), whose sum is σ = 5041288272. Its totient is φ = 2519610720.

The previous prime is 3780191137. The next prime is 3780191141. The reversal of 3780191139 is 9311910873.

It is an interprime number because it is at equal distance from previous prime (3780191137) and next prime (3780191141).

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

It is not a de Polignac number, because 3780191139 - 21 = 3780191137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3780191139.

It is not an unprimeable number, because it can be changed into a prime (3780191131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111772 + ... + 141609.

It is an arithmetic number, because the mean of its divisors is an integer number (630161034).

Almost surely, 23780191139 is an apocalyptic number.

3780191139 is a deficient number, since it is larger than the sum of its proper divisors (1261097133).

3780191139 is a wasteful number, since it uses less digits than its factorization.

3780191139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258357.

The product of its (nonzero) digits is 40824, while the sum is 42.

The square root of 3780191139 is about 61483.2590141414. The cubic root of 3780191139 is about 1557.7744864125.

The spelling of 3780191139 in words is "three billion, seven hundred eighty million, one hundred ninety-one thousand, one hundred thirty-nine".

Divisors: 1 3 4973 14919 253381 760143 1260063713 3780191139