Base | Representation |
---|---|
bin | 1110000101100011… |
… | …0111101111011110 |
3 | 100202112100200112110 |
4 | 3201120313233132 |
5 | 30221014041444 |
6 | 1423120214450 |
7 | 162464212323 |
oct | 34130675736 |
9 | 10675320473 |
10 | 3781393374 |
11 | 16705528a0 |
12 | 89646a426 |
13 | 483551295 |
14 | 27c2cab4a |
15 | 171e92cb9 |
hex | e1637bde |
3781393374 has 32 divisors (see below), whose sum is σ = 8343025920. Its totient is φ = 1133000000.
The previous prime is 3781393339. The next prime is 3781393379. The reversal of 3781393374 is 4733931873.
It is a super-2 number, since 2×37813933742 = 28597871697862207752, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3781393379) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316002 + ... + 327749.
It is an arithmetic number, because the mean of its divisors is an integer number (260719560).
Almost surely, 23781393374 is an apocalyptic number.
3781393374 is an abundant number, since it is smaller than the sum of its proper divisors (4561632546).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3781393374 is a wasteful number, since it uses less digits than its factorization.
3781393374 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 643856.
The product of its digits is 1143072, while the sum is 48.
The square root of 3781393374 is about 61493.0351665943. The cubic root of 3781393374 is about 1557.9396114407.
The spelling of 3781393374 in words is "three billion, seven hundred eighty-one million, three hundred ninety-three thousand, three hundred seventy-four".
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