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3808723812 = 2231921377817
BaseRepresentation
bin1110001100000100…
…1000001101100100
3100211102210012211220
43203001020031210
530300013130222
61425534100340
7163245422025
oct34301101544
910742705756
103808723812
111684a1a633
128a364a6b0
1348910013a
14281ba2c4c
15174590b5c
hexe3048364

3808723812 has 48 divisors (see below), whose sum is σ = 9360335040. Its totient is φ = 1202038272.

The previous prime is 3808723811. The next prime is 3808723861. The reversal of 3808723812 is 2183278083.

It is a super-2 number, since 2×38087238122 = 29012754152191622688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3808723811) 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, 483328 + ... + 491144.

It is an arithmetic number, because the mean of its divisors is an integer number (195006980).

Almost surely, 23808723812 is an apocalyptic number.

It is an amenable number.

3808723812 is an abundant number, since it is smaller than the sum of its proper divisors (5551611228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3808723812 is a wasteful number, since it uses less digits than its factorization.

3808723812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9980 (or 9978 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 3808723812 is about 61714.8589239253. The cubic root of 3808723812 is about 1561.6839983897.

The spelling of 3808723812 in words is "three billion, eight hundred eight million, seven hundred twenty-three thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 2137 4274 6411 7817 8548 12822 15634 23451 25644 31268 40603 46902 81206 93804 121809 148523 162412 243618 297046 445569 487236 594092 891138 1782276 16704929 33409858 50114787 66819716 100229574 200459148 317393651 634787302 952180953 1269574604 1904361906 3808723812